Key Takeaways • Your body requires water, but excessive intake can be harmful.• Water intoxication is rare, yet recognizing symptoms like nausea, fatigue, and reduced appetite is important.• If symptoms of water toxicity appear, medical care should be sought right away. Staying hydrated is essential for good health—but is it possible to drink too much…
HOW MANY CALORIES DO YOU NEED EACH DAY? Everyone’s daily calorie needs are different. Your metabolism, activity level, genetics, and lifestyle all play a role. Goals such as losing weight, gaining muscle, pregnancy, breastfeeding, or bodybuilding also significantly affect how many calories your body requires. A calorie is simply a unit of energy. In nutrition,…
A newly updated Cochrane review suggests that physical activity may be just as effective as therapy in reducing symptoms of depression. Because exercise is affordable, easy to access, and linked to many additional health benefits, it stands out as an appealing option for managing depression. A growing body of evidence shows that regular physical activity…
Often labeled the brain’s “pleasure chemical,” dopamine is one of the most misunderstood substances in neuroscience. In reality, its role in shaping our behavior, motivation, and thinking is far more complex. Nikolay Kukushkin explores what dopamine actually does inside the brain—and why it so often feels like it’s working against us. The human brain is…