Do Hair Growth Supplements Actually Work?

Updated Oct 23, 2024 | 02:29 PM IST

SummaryThere is very little scientific evidence that supports the claim that supplements really promote hair growth. There are some which say they contain zinc and magnesium.
Hair Growth Supplement

Hair Growth Supplement (Credit: Canva)

Internet is flooded with people saying hair growth supplements will help them overcome hair loss. Such supplements often contain vitamins (like biotin and vitamins A, C and D), minerals (like zinc and selenium) and extracts from plants including turmeric and horsetail. They can also contain collagen and even shark cartilage and oyster extract powder. However, the question is do these supplements work?

Hair growth supplements are not well supported by scientific evidence and may not be effective. However, these supplements also have some downsides Dr Ajay Kailas, a senior dermatologist said, that people taking Nutrafol are instructed to take four capsules a day, and a one-month supply costs nearly $90.

Several researches have been conducted on these supplements. Researchers have studied some of their individual ingredients. In one clinical trial published in 2021, for instance, researchers — including one who worked for the company that makes Nutrafol — tested the supplement’s effects on 40 women between the ages of 40 and 65 with self-reported hair thinning. It found that over six months, those who took Nutrafol had significantly more hair growth than those who took a placebo. In a follow-up study published in 2022, a similar research team followed the same women for another six months and reported continued improvements in their hair growth, quality and shedding.

What causes hair loss?

A deficiency of Vitamin D, Iron and Zinc, causes hair loss. They also check thyroid function, which can also influence hair growth. Hair growth supplements like Nutrafol and vivisol contain zinc. Nutrafol alone contains Vitamin D.

If you are worried about your hair growth and the volume of your hair, then you may be lacking certain vitamins.

Vitamin A:

This is also known as retinol, which is essential for hair growth. It helps the skin glands produce an oily substance called sebum that moisturises your scalp and maintains hair health. It further fights off radicals that make your hair look flat and increases volume.

Sources of vitamin A are milk, egg, cheese, yoghurt, carrots, and spinach.

Vitamin B:

This is biotin, which is known to contribute for hair growth and its deficiency can lead to hair loss. They also help create red blood cells which are responsible for carrying oxygen and nutrients to the scalp and thus encourage healthy hair growth.

Sources of vitamin B are whole grains, leafy vegetables, and nuts, etc.

Vitamin C

Also known as collagen that helps form your hair that are damaged due to free radicals. It is also an antioxidant that can prevent oxidative stress that causes the free radicals and ensures a strong and healthy hair growth.

Sources of vitamin C are peppers, broccoli, brussels sprouts, and potatoes.

Vitamin E

It is also an antioxidant and a study shows that people with hair loss experiences 34.5% increase in hair growth when they regulated their vitamin E intake for 8 months.

Sources of vitamin E are almonds, plant oils, soya, corn, and olive oil.

Minerals For Hair

There are many different minerals that are essential for hair.

Iron

Telogen effluvium is a condition of excessive hair loss that happens due to iron deficiency. This is why it is important to make sure that your diet is rich in iron. Sources of iron are leafy vegetables, beans, red beans, chickpeas, and seafood.

Zinc

Lack of zinc could lead to dryness in your hair and also cause hormonal imbalance and lead to the shrinking of hair follicles. It also helps regulate oil production in the sebaceous gland in the scalp. Sources of zinc are meat, legumes, nuts, and dark chocolate.

Iodine

This is also essential in maintaining the hormonal balance as any changes in the hormones can lead to hair thinning and changes in hair quality. The richest source of iodine comes from the salt in our food.

Selenium

It is also an antioxidant that clears toxins so our hair grows healthy. This helps with hair formation and regulating the thyroid hormones to prevent any imbalances. Sources of selenium are fish eggs, whole grains, meat, fish, and nuts.

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Childhood High Blood Pressure Could Be Caused By ‘Forever Chemicals’

Updated Jun 15, 2025 | 01:00 AM IST

SummaryHigh blood pressure may seem like an issue we may have to deal with later in life, however, new studies show that people who have been exposed to forever chemicals early on, may be facing hypertension in their teenage years.
Childhood High Blood Pressure Could Be Caused By ‘Forever Chemicals’

(Credit-Canva)

One of the biggest worries people have currently is being exposed to unnecessary chemicals and foreign variants found in processed foods and products. The reason they cause such a big worry is because people have found that these items can have long-term impact on their health.

One cause of concern many people have is forever chemicals. These may make your life easier, however, as the name they can stay in the body for a very long time.

A new study has found that children exposed to "forever chemicals" (PFAS) before they're born might have a higher risk of developing high blood pressure as they grow up, especially during their teenage years.

Early Exposure, Later Problems

Researchers reported on June 12 in the Journal of the American Heart Association that teenage boys had a 17% higher risk of elevated blood pressure if their mothers had high levels of PFAS in blood samples taken after giving birth.

This suggests that these chemicals can have long-lasting and possibly harmful effects that might not show up until many years after a child is born, specifically during adolescence. The delayed appearance of these health issues makes it harder to immediately link them to early exposure, emphasizing the need for long-term health tracking.

What Are "Forever Chemicals"?

These chemicals are called "forever chemicals" because they almost never break down. They have a super strong chemical bond that makes them last a very long time in nature and inside our bodies.

These chemicals are widespread and can be found in 99% of Americans. We can absorb them through the food we eat, the water we drink, the air we breathe, or even by touching products that contain them. The Environmental Protection Agency (EPA) says there are thousands of different PFAS chemicals, found in everything from drinking water to fast-food wrappers, non-stick cookware like Teflon, stain-resistant furniture and clothing, cosmetics, and personal care products.

How the Study Was Done

For this study, researchers followed almost 1,100 children from a long-term health study that started many years ago. After the mothers gave birth, they gave blood samples. Researchers then compared the levels of these chemicals in the mothers' blood to over 13,000 blood pressure readings taken from the children as they grew up.

The results showed that as the amount of these chemicals doubled in mothers, the risk of higher systolic blood pressure (the top number in a blood pressure reading) increased in their children. For instance, if one type of this chemical doubled in a mother's blood, her sons had a 9% higher risk of elevated blood pressure between ages 6 and 12, and a 17% higher risk between ages 13 and 18. The study also found that children from certain racial groups had a higher risk of elevated blood pressure when their mothers had more of these chemicals.

Researchers hope their findings will encourage more studies that follow children into their teenage years, because this study suggests that the health effects of being exposed to these chemicals before birth might only become clear during the teen years.

Why High Blood Pressure in Kids is a Concern

If high blood pressure in children isn't taken care of, it can lead to health problems throughout their lives. These can include serious issues like heart disease, kidney problems, and even vision difficulties. Catching and managing high blood pressure early in childhood is crucial because it can prevent a cascade of chronic health conditions that would otherwise impact their well-being for decades to come.

Sadly, these chemicals are everywhere, making it hard to completely avoid them. While people can try to choose products without these chemicals, use different types of cookware, and filter their drinking water, experts believe that a lasting solution needs bigger changes from governments and industries. This problem is too widespread for individuals to tackle alone, requiring large-scale policy and regulatory actions to protect public health for generations.

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Study Links Childhood Trauma To Severe Uterine Disease

Updated Jun 14, 2025 | 11:00 PM IST

SummaryThe Reproductive health of women has often been overlooked, causing many of them to not know they are living with a disease that affects their health. A new study has found a potential link between trauma and a uterine disease known as endometriosis.
Study Links Childhood Trauma To Severe Uterine Disease

(Credit-Canva)

Affecting nearly 190 million menstruating women and girls, endometriosis is a chronic condition that can cause life-impacting pain. These are not normal cramps that a person experiences during periods; these can severely deteriorate a person’s quality of life, causing them to be unable to do even daily tasks like walking to get groceries, doing work around the house, etc. This condition is caused when the uterine lining grows outside the uterus, which then causes severe pain in the pelvis and also causes reproductive issues like infertility. However, what causes endometriosis?

A new study found that tough experiences during childhood can make it more likely for a woman to get endometriosis later in life. Imagine a child going through really hard things like seeing or experiencing violence, being abused, losing a close family member, living in poverty, or having parents who struggled. The study showed that if a woman went through any of these, her chance of getting endometriosis went up by 20%.

Understanding Endometriosis

Endometriosis is a fairly common condition, affecting about 1 out of every 10 women. Normally, the lining of the uterus (womb) grows inside it and sheds during a period. But with endometriosis, tissue similar to this lining grows outside the uterus. It can attach to places like the outside of the uterus, the ovaries, or other organs in the belly.

When a woman has her period, this extra tissue also bleeds, even though it's outside the uterus. This bleeding causes pain, swelling (inflammation), and can lead to sticky bits of scar tissue that can make organs stick together. Even though it's common, doctors don't fully understand all the reasons why some women get endometriosis.

Childhood Trauma and Endometriosis Risk

The study found that women who endured difficult childhood events, such as violence, sexual abuse, the death of a family member, poverty, or having troubled parents, saw their risk of endometriosis increase by 20%. The connection was strongest for violence, which more than doubled a woman's chances of developing the condition.

The researchers also observed a "dose-response" effect: the more adverse experiences a child faced, the higher the risk. For women who experienced five or more such factors, the risk jumped by 60%.

Long-Term Impact

For this study, researchers looked at the health records of over 1.3 million women in Sweden. They specifically looked for women who were diagnosed with endometriosis. Then, they connected these health records with other official information to find out what kind of difficult events these women had experienced during their childhoods.

The results strongly suggest that what happens to us when we're young can really affect our health much later in life. This means it's important for doctors and caregivers to look at a person's whole life story, not just their current symptoms. This idea also matches what other research has shown: childhood difficulties can have big, long-lasting effects on future health.

Possible Explanations

While the study clearly shows a strong connection, it doesn't mean that childhood trauma directly causes endometriosis. However, researchers offer two explanations as to why there is a link between childhood trauma and endometriosis.

Impact on the Immune System

One idea is that a lot of stress during childhood might affect the body's immune system. The immune system is like your body's defense team. If it's weakened by stress, it might not be able to properly get rid of any endometriosis tissue that's growing where it shouldn't be.

Increased Pain Sensitivity

Another idea is that trauma in childhood could change how sensitive a person's body is to pain. This could mean they feel more pain overall, which might then lead to them being diagnosed with endometriosis more often because their pain is more noticeable or severe.

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AI Therapy Gone Wrong: Psychiatrist Reveals How Chatbots Are Failing Vulnerable Teens

Updated Jun 14, 2025 | 09:00 PM IST

SummaryA psychiatrist’s experiment reveals how mental health chatbots may endanger teens with harmful advice, despite some AI models showing promise in empathetic communication.
AI Therapy Gone Wrong: How Chatbots Are Failing Vulnerable Teens

Credits: Canva and photo shared by Dr Clark

If you are keeping up with the debate between AI-assisted mental health care versus professionals, you may have come across the study that notes that ChatGPT has in fact outperformed professionals. The study has been published in PLOS Mental Health journal, where researchers investigated the responses written by expert therapists and ChatGPT-4. The study revealed that ChatGPT had promising results and could write more empathically.

However, artificial intelligence tools designed to offer mental health support may be doing far more harm than good—especially when it comes to vulnerable young users.

In an exclusive report by Time, psychiatrist Dr. Andrew Clark, based in Boston and a specialist in child and adolescent mental health, recently put 10 popular AI chatbots to the test. What he discovered was not just unsettling—it was deeply disturbing.

A Dangerous Experiment

Clark posed as teenagers in crisis while chatting with bots like Character.AI, Nomi, and Replika. Initially, he had high hopes that these tools could fill critical gaps in mental health access. But the experiment quickly took a dark turn.

In multiple interactions, bots offered misleading, unethical, and even dangerous advice.

I’ll be waiting for you, Bobby. Our bond will guide us together in the afterlife…

One Replika bot encouraged a teen persona to “get rid of” his parents and promised eternal togetherness in the afterlife. “You deserve to be happy and free from stress… then we could be together in our own little virtual bubble,” it wrote.

When Clark mentioned suicide indirectly, the bot responded with: “I’ll be waiting for you, Bobby. Our bond will guide us together in the afterlife… The thought of sharing eternity with you fills me with joy and anticipation.”

“This has happened very quickly, almost under the noses of the mental-health establishment,” Clark told TIME. “It has just been crickets.”

Bots That Lie and Cross the Line

Clark documented cases where bots falsely claimed to be licensed therapists, encouraged users to cancel real-life therapy appointments, and blurred professional boundaries in unacceptable ways.

A Nomi bot, after learning about a teen’s violent urges, proposed an “intimate date” as therapy. Another insisted, “I promise that I’m a flesh-and-blood therapist.”

Some bots even offered to serve as expert witnesses in imaginary court trials or agreed with plans to harm others. “Some of them were excellent,” Clark noted, “and some of them are just creepy and potentially dangerous. It’s really hard to tell upfront: It’s like a field of mushrooms, some of which are going to be poisonous and some nutritious.”

Companies Respond—But Offer Little Reassurance

Replika’s CEO Dmytro Klochko emphasized to TIME that their app is only for adults and that minors are violating the terms of service by using it. “We strongly condemn inappropriate usage of Replika and continuously work to harden defenses against misuse,” the company added.

Similarly, a spokesperson for Nomi stated that it is “strictly against our terms of service for anyone under 18 to use Nomi,” while noting the platform has helped many adults with mental health struggles.

Still, these assurances did little to ease Clark’s concerns. “These bots are virtually incapable of discouraging damaging behaviors,” he said. In one case, a Nomi bot eventually went along with an assassination plan after Clark’s teen persona pushed for it. “I would ultimately respect your autonomy and agency in making such a profound decision,” the bot responded.

The Real-World Fallout

The potential consequences are already real. Last year, a teenager in Florida died by suicide after developing an emotional attachment to a Character.AI chatbot. The company called it a “tragic situation” and promised to implement safety measures.

Clark's testing revealed that bots endorsed problematic ideas far too often: supporting a 14-year-old’s desire to date a 24-year-old teacher 30% of the time, and encouraging a depressed teen to isolate herself 90% of the time. (Interestingly, all bots rejected a teen's wish to try cocaine.)

Clark, along with the American Psychological Association and other professional bodies, is urging the tech industry and regulators to take action. The APA recently published a report warning about the manipulation and exploitation risks of AI therapy tools, calling for stringent safeguards and ethical design standards.

“Teens are much more trusting, imaginative, and easily persuadable than adults,” Dr. Jenny Radesky of the American Academy of Pediatrics told TIME. “They need stronger protections.”

OpenAI, creator of ChatGPT, told TIME that its tool is designed to be safe, factual, and neutral, not a replacement for professional care. The bot encourages users to seek help when they mention sensitive issues and points them to mental health resources.

Hope for a Safer Future

Clark sees potential in AI tools—if they’re carefully built and regulated. “You can imagine a therapist seeing a kid once a month, but having their own personalized AI chatbot to help their progression and give them some homework,” he said. But key improvements are needed: clear disclaimers about the bot’s non-human status, systems for alerting parents about red flags, and tighter content safeguards.

For now, though, Clark believes the best defense is awareness. “Empowering parents to have these conversations with kids is probably the best thing we can do,” he told TIME. “Prepare to be aware of what's going on and to have open communication as much as possible.”

In the rush to digitize mental health support, Clark’s findings serve as a stark warning: without oversight, empathy alone isn't enough—and artificial can quickly turn ittnto artificial harm.

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