ScienceInsights

Supporting a depressed friend takes compassion and boundaries. Learn how to help effectively while protecting your own mental health.

Some berries are better than others for weight loss. Here's what the science says about raspberries, blueberries, strawberries, and blackberries.

Cool water, gentle bandaging, and the right pain relief can make a real difference for minor burns. Here's what actually helps and what to skip.

Help your partner truly understand ADHD by explaining the brain science behind the behaviors, from emotional intensity to executive dysfunction.

How long a cannabis high lasts depends on how you consume it. Smoking lasts 1–3 hours, while edibles can keep you high for 6–8 hours.

Healthy saliva is nearly odorless. Learn what causes saliva to smell, when it might signal a health issue, and how to keep it fresh.

Learn how sleep apnea mouthpieces work, what sets custom and OTC options apart, and what to consider when picking the right one for you.

Some essential oils may help ease cold symptoms like congestion and sinus pressure. Here's what the evidence suggests and how to use them safely.

Back pain can stem from many causes, including muscle strain, organ issues, and rarely, serious conditions. Here's what might be behind yours.

From OTC pain relievers to topical creams and muscle relaxants, here's what actually helps relieve upper back pain and when to see a doctor.