From slurping daily spoonfuls of fish oil to giving up alcohol, many Americans are trying a lot of new things to keep their minds sharp. The list of activities go on, including lifting weights, and solving puzzles. These are done all for good reasons; Americans do not want their brains to slow down. The fear is real too, as dementia, especially Alzheimer's disease is on the rise. 6.7 million Americans today live with Alzheimer's and the number is expected to double in every 20 years.Given these numbers, researchers are now exploring new ways to delay or prevent cognitive decline. While no one strategy guarantees to prevent dementia, there are certain lifestyle habits that could keep it at bay. Here are some:Train Your Brain With Puzzles And Word GamesCrossword puzzles, Sudoku, Wordle, or strategy-based games — anything that gets your mind moving — could be helpful in keeping your brain agile. Although scientific proof is limited, regular mental stimulation is widely considered beneficial.“Reading, learning new things, talking to people, just engaging the brain in many different ways is good for your brain,” said Dr. Andrew Newberg, a neuroscientist at Florida Atlantic University's Stiles-Nicholson Brain Institute to a media outlet. The key? Variety. Don’t fall into a mental routine — change it up often to keep your brain on its toes.Your Sleep Must Be a PrioritySleep plays an important role in your brain health, it also gives your brain the time it needs to rest, reset, and clean out all or any harmful toxins that build up during the day. Dr Daniel Vela-Duarte, a neuro-interventional surgeon also suggests to keep a consistent sleep schedule. He also suggests to exposure yourself to natural light within the first 30 minutes of waking up. It must be your aim to get at least 15 to 30 minutes of morning sunlight to help regulate your sleep-wake cycle.Food For BrainIt is not a new concept. There are many different foods that work well for your brain. What you eat matters just as much for your brain as it does for your body. Healthy balanced diet could also reduce inflammation and keep arteries, including the ones that lead to your brain clean and functioning well.What You Can Do:Include more fruits in your diet. You can also include vegetables, nuts, and whole foods.Cut down on added sugar and processed items.Choose foods which are rich in magnesium and omega-3 fatty acids.In fact, a 2023 study published in Springer Nature, titled: Dietary magnesium intake is related to larger brain volumes and lower white matter lesions with notable sex differences, found that magnesium-rich foods may lower dementia risk, especially in women. Cold-water fish (like salmon and sardines) rich in omega-3s are also linked to improved thinking skills and better brain function.Also, experts advise limiting alcohol, as it can interfere with brain structure and performance.Keep Moving Your BodyExercise benefits not only your heart and muscles but also your mind. Physical activity boosts chemicals in the brain that promote mental sharpness and helps preserve memory and thinking functions.Research shows that people who exercise tend to have larger brain regions responsible for thinking and memory. Nicole Baganz of the FAU Stiles-Nicholson Brain Institute emphasizes that any type of movement helps — whether it’s walking, lifting weights, or even chair yoga. The goal? Get moving regularly, even if it’s just a brisk walk around the block.Stay Socially ConnectedDon’t underestimate the power of good company. Social isolation and loneliness are known to negatively affect mental health and speed up cognitive decline. Connecting with others through conversations, activities, or volunteering helps keep the brain engaged.“Loneliness is one of the worst things that can happen to the brain,” says Baganz. Reconnecting with old hobbies or learning something new — like a language or musical instrument — can also provide mental stimulation and help build new neural pathways.