ScienceInsights

Long-term alcohol use can shrink brain tissue, disrupt chemistry, and raise dementia risk. Here's what the science says about the real effects on your brain.

Men's health before conception matters more than most realize. Here's what to focus on in the months before trying for a baby.

Estrogen does more than regulate reproduction — it shapes mood, memory, sleep, and social behavior in ways that touch nearly every part of daily life.

Low CO2 on a blood test can stem from hyperventilation, metabolic issues, or high altitude. Here's what it means and when to pay attention.

Trying to stop your thoughts often makes them louder. Here's what actually works to quiet a busy mind, from breathing tricks to brain chemistry basics.

Cushing's syndrome can cause scalp thinning while body hair grows — here's why excess cortisol affects hair follicles and what regrowth looks like after treatment.

Electrolyte water isn't always necessary. Learn when plain water is fine and when adding electrolytes actually helps your body.

Alcohol disrupts the hippocampus fast, impairing memory formation, spatial awareness, and triggering blackouts—here's what's happening in your brain.

Not all carbs affect heartburn the same way. Simple sugars and fermentable carbs tend to worsen reflux, while fiber-rich carbs may actually offer some relief.

Regular exercise extends lifespan by strengthening your heart, muscles, and cells. Here's what the research actually shows about how much you need.