Screentime Is Leading To Insomnia, Researchers Say

Updated May 14, 2025 | 01:57 PM IST

SummarySleep is critical to our mental and physical health, but many of us don’t get enough. Health experts warn that it could lead to various health issues.
Screentime Is Leading To Insomnia, Researchers Say

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Thousands of people struggle to sleep across the world. A survey of 45,202 young adults in Norway has discovered that screen-scrolling in bed drives up your risk of insomnia by 59 per cent and cuts your sleep time by 24 minutes. Scientists have found another reason to put the phone down: a survey of 45,202 young adults in Norway has discovered that using a screen in bed drives up your risk of insomnia by 59% and cuts your sleep time by 24 minutes. However, social media was not found to be more disruptive than other screen activities.

"The type of screen activity does not appear to matter as much as the overall time spent using screens in bed,” said Dr Gunnhild Johnsen Hjetland of the Norwegian Institute of Public Health, lead author of the article in Frontiers in Psychiatry. “We found no significant differences between social media and other screen activities, suggesting that screen use itself is the key factor in sleep disruption — likely due to time displacement, where screen use delays sleep by taking up time that would otherwise be spent resting.”

Sleep is critical to our mental and physical health, but many of us don’t get enough. At the same time, an increasing number of people are accustomed to using screens in bed, which may be associated with poor sleep. Screen use is thought to impact sleep in four ways: notifications disturb sleep, screen time replaces sleeping time, screen activities keep you wakeful so you take longer to fall asleep, or light exposure delays circadian rhythms.

"Sleep problems are highly prevalent among students and have significant implications for mental health, academic performance, and overall well-being, but previous studies have primarily focused on adolescents,” said Hjetland. “Given the widespread use of screens in bed we aimed to explore the relationship between different screen activities and sleep patterns. We expected that social media use might be more strongly associated with poorer sleep, given its interactive nature and potential for emotional stimulation.”

The findings of this study suggest that it’s not just the content that keeps people awake but the overall duration of screen exposure before bedtime. When people spend prolonged hours scrolling through screens, they might not only be reducing their sleep window but also disrupting their sleep cycles. This can have a cascading effect on overall health, affecting mood, concentration, and even immunity.

Reducing screen time before bed could be a simple yet effective strategy to enhance sleep quality. Setting a digital curfew, using blue light filters, and engaging in relaxing bedtime routines like reading a book or practicing mindfulness can help counteract the negative impact of screens. Sleep experts also recommend creating a sleep-conducive environment by dimming the lights and avoiding stimulating activities at least an hour before bedtime.

With screen usage becoming a significant part of modern life, it’s essential to be mindful of how digital habits influence sleep patterns. The consequences of chronic sleep deprivation extend beyond feeling tired the next day — they can increase the risk of mental health issues, cardiovascular diseases, and metabolic disorders. By taking small steps to reduce screen time in bed, individuals can make significant improvements to their sleep health and overall well-being.

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US FDA Approves 3 Natural Food Dyes—Everything That We Should Know

Updated May 14, 2025 | 09:42 PM IST

SummaryUS health authorities have approved three natural dyes-galdiera extract blue, butterfly tea flower extract and calcium phosphate. This move takes the country a step closer to eliminating synthetic food dyes.
US FDA Approves 3 Natural Food Dyes

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The US Food and Drug Administration (FDA) has approved three natural food dyes in an attempt to phase out synthetic dyes from foods across America. The list includes galdiera extract blue, butterfly tea flower extract and calcium phosphate. "FDA staff have been moving quickly to expedite the publication of these decisions, underscoring our serious intent to transition away from petroleum-based dyes in the food supply and provide new colours from natural sources," FDA commissioner Dr Martin Makary said in a statement.

Several high-profile brands, including Pepsico and Tyson Foods, have announced synthetic dye removal plans from their products in recent weeks.

What Do We Know About The Approved Natural Dyes?

Galdiera Extract Blue

Galdiera extract blue, derived from the cyanobacteria Galdieria sulphuraria, is primarily used in the food and beverage industry as a natural blue colouring agent. It is a plant-based, nutrient-rich pigment that is considered a safer and more sustainable alternative to synthetic dyes. Additionally, it is utilised in nutraceuticals and cosmetics for its antioxidant properties and vivid hue, making it a versatile ingredient in health-focused and eco-friendly products.

Butterfly Pea Flower Extract

Butterfly pea flower extract, obtained from the petals of the Clitoria ternatea plant, is widely used as a natural colourant in foods, beverages, and herbal teas. Known for its vibrant blue hue that changes to purple when acidic substances are added, it is also rich in antioxidants and has gained popularity in skincare products for its purported anti-ageing and anti-inflammatory benefits. Additionally, it is used in traditional medicine to enhance cognitive function and reduce stress.

Calcium Phosphate

Calcium phosphate is a common mineral compound extensively used in the food, pharmaceutical, and dental care industries. In foods, it functions as a nutritional supplement, stabiliser, and leavening agent, while in pharmaceuticals, it is used in calcium supplements and antacids. In dental care, it is a key component in toothpaste and dental fillings to help remineralize enamel and prevent tooth decay.

Calls For Complete Elimination Of Synthetic Dyes

Public health advocates have called for the complete elimination of certain synthetic dyes in foods, citing scientific research linking consumption of dyes to diseases and neurological issues like hyperactivity and behavioural problems. Moreover, there is a social reason also behind this boycott, with advocates stating that bright colours make unhealthy food look attractive to children. FDA Commissioner Dr Marty Makary stated that American children have long been "living in a toxic soup of synthetic chemicals" and stressed the importance of cleaner food labels.

Here is a list of food dyes that are banned by US health authorities

The health authorities in the US are banning at least six food dyes by the end of this year. The list incorporates FD&C Green No. 3, FD&C Red No. 40, FD&C Yellow No. 5, FD&C Yellow No. 6, FD&C Blue No. 1, and FD&C Blue No. 2, according to a press release by the FDA.

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Can Nootropics Get You An Extra Edge At Work?

Updated May 14, 2025 | 10:00 PM IST

SummaryNootropics, also referred to as smart drugs, are substances that are said to enhance cognitive functions such as memory, learning, and concentration. But can they help you get an extra edge over others?
Can Nootropics Get You An Extra Edge At Work?

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A new wave of cognitive enhancers known as nootropics is gaining popularity, with products like Thesis being marketed as 'Nature’s Adderall.' The word itself is derived from ancient Greek, combining noos ( mind) and tropen ( turning, bending or tending towards). So how exactly does it boost cognition, and how does it impact a person's overall functioning?

'Smart Drugs'

Nootropics, also referred to as smart drugs, are substances that are said to enhance cognitive functions such as memory, learning, and concentration. Unlike stimulants that act directly on neurotransmitters, nootropics improve the brain's supply of glucose and oxygen, protect neural tissues from neurotoxicity, and promote blood flow to the brain.

The term 'nootropic' was first coined in the early 1970s by Cornelius E. Giurgea to describe substances that activate cognitive functions, particularly memory and learning, especially in cases where these functions are compromised. Instead of acting as receptor ligands or neurotransmitter releasers, nootropics work by influencing neuronal metabolism in the central nervous system.

A review published in the National Library of Medicine classifies nootropics into four subgroups: classical nootropic compounds, substances that increase brain metabolism, cholinergics, and plant-based extracts with nootropic effects. These groups highlight the varied ways in which nootropics can impact brain health.

Natural Nootropic

One such natural nootropic gaining attention is Kanna, a South African plant said to produce empathogenic effects — substances that create warm, euphoric feelings similar to those induced by ecstasy. "There are over 35 known alkaloids in Kanna, which have various physiological effects on the body," says Stephanie Wang, founder and CEO of KA! Empathogenics. "These alkaloids not only elevate mood and promote feelings of well-being but also enhance cognitive abilities and support brain health."

Medicinal Use Of Nootropics

In addition to natural supplements like Kanna, nootropics are also being studied for their potential use in treating acute psychoorganic syndrome (POS), a condition associated with early brain damage that manifests as memory loss, mental retardation, and changes in consciousness. POS can be triggered by brain trauma, infections, stroke, or toxic exposure to substances like alcohol or drugs.

While POS is generally considered reversible, it can sometimes progress to dementia, particularly in severe cases. Nootropics are also used for chronic cognitive impairments such as memory loss, age-related mental decline, and attention deficits caused by fatigue or exhaustion. Children with minimal brain dysfunction syndrome and patients with encephalopathy have also been prescribed nootropics in some cases.

Despite their rising popularity, experts remain cautious about the effectiveness of nootropics in treating severe cognitive impairments. While they show promise in mild cases, their impact on advanced dementia remains unclear. Furthermore, the long-term effects of these cognitive enhancers are still under investigation, raising questions about their safety and efficacy as a widespread solution for brain health.

ALSO READ: Is There A Right Way To Absorb Vitamin D From Sun?

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Joe Biden Diagnosed With Nodule In Prostate Gland

Updated May 14, 2025 | 09:00 PM IST

SummaryWhile it is quite common for men over the age of 50 to experience prostate problems, the 82-year-old Biden has had a history of medical issues
Joe Biden Diagnosed With Nodule In Prostate Gland

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A small nodule was found in the prostate gland of former US President Joe Biden during a recent physical exam, as per media reports. While not much has been revealed about his medical evaluation, a spokesperson said that the discovery of the nodule "necessitated further evaluation." This comes as British monarch King Charles is already undergoing treatment for an enlarged prostate gland since February last year. Earlier this week, Former Deputy PM of Australia and Nationals MP Barnaby Joyce said that he has been diagnosed with prostate cancer.

While it is quite common for men over the age of 50 to experience prostate problems, the 82-year-old has had a history of medical issues. During his presidency, he had a "cancerous" skin lesion removed from his chest. The White House, in a statement, said that in February 2023, the skin tissue was removed. It was sent for a biopsy, which revealed it to be cancerous.

How To Identify Prostate Cancer?

Prostate cancer is a type of cancer that occurs when malignant cells form in the prostate gland, which is a walnut-sized gland in the male reproductive system. Prostate cancer treatment guidelines have shifted their path a bit in recent years, with many men opting for active surveillance rather than immediate treatment for slow-growing tumours. However, about 50% of men on "watchful waiting" will require further treatment within 5 years because of the tumour progression. This is what triggered many researchers to aim and identify whether dietary modifications, specifically increasing omega-3 fatty acids, could prolong this surveillance period and slow down the tumour progression.

Prostate cancer that's more advanced may cause signs and symptoms such as:

  • Trouble urinating
  • Decreased force in the stream of urine
  • Blood in the urine
  • Blood in the semen
  • Bone pain
  • Losing weight without trying
  • Erectile dysfunction

Not All Prostate Issues Are Indicative Of Cancer

Not all prostate problems are indicative of cancer. While prostate cancer is a serious concern, there are other conditions that can cause similar symptoms but are non-cancerous. One common condition is benign prostatic hyperplasia (BPH). Experts state that nearly every individual with a prostate will experience BPH as they age. It leads to the enlargement of the prostate gland but does not increase the risk of cancer. Another condition is prostatitis, which primarily affects men under 50. It is characterized by inflammation and swelling of the prostate, often due to bacterial infections. Early diagnosis can help manage these conditions effectively.

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