ScienceInsights

Your body replenishes sperm quickly and efficiently. Learn what's actually lost during ejaculation and simple habits that support healthy sperm production.

That red liquid in your meat package isn't blood — it's myoglobin, a protein that gives muscle tissue its color and changes with heat and packaging.

NSAIDs reduce swelling by targeting inflammation; acetaminophen doesn't. Learn which option works best for your situation and what to watch out for.

Practical, science-backed techniques to calm anxiety in the moment, from breathwork and cold water to grounding exercises and cognitive reframing.

A practical look at which workout supplements are backed by science, from creatine and caffeine to electrolytes and protein.

The unconscious mind is real, but not quite how Freud imagined it. Here's what neuroscience actually shows about how your brain works below awareness.

Interval training boosts VO2 max, raises lactate threshold, builds muscle power, and even burns calories after you stop. Here's what the science says.

Accidentally ate dairy? Here's how to ease bloating, cramps, and discomfort with practical remedies and what to expect as symptoms pass.

Sleeping on your left side can reduce acid reflux symptoms at night. Here's why it helps, what positions to avoid, and how to make the switch.

When someone is having a mental breakdown, knowing your options beyond the ER can lead to better, calmer care. Here's what's available and when to use each.