Biology Insights

Several whole foods can measurably lower blood pressure, some within just two weeks of consistent eating. The most effective options are rich in potassium, magnesium, naturally occurring nitrates, or omega-3 fatty acids. These aren’t marginal effects: beetroot alone has been shown to reduce systolic blood pressure by about 8 points in people with hypertension, which is compar...

Quitting pornography is possible, and most people who commit to the process see significant improvement within one to three months. Whether you’re concerned about how much time you spend on it, how it’s affecting your relationships, or how it makes you feel afterward, the path forward involves understanding what’s happening in your brain, building practical barriers, and deve...

Expired protein powder is generally not dangerous to consume, but it does lose quality over time. The date printed on most containers is a “best by” date rather than a hard expiration date, and the FDA doesn’t even require supplement manufacturers to include one. If a company does print a date, it typically signals when the product may start losing potency or flavor, not when...

Dry eye disease happens when your tears can’t adequately protect and lubricate the surface of your eye. This can mean your eyes don’t produce enough tears, or the tears evaporate too quickly because their chemical composition is off. With a global prevalence around 35%, it’s one of the most common eye conditions, and it rarely has a single cause. Most cases involve a combinat...

Restoril is a brand name for temazepam, a prescription sleep medication used for the short-term treatment of insomnia. It belongs to the benzodiazepine class of drugs and is typically prescribed for 7 to 10 days at a time. If sleep problems persist beyond that window, it’s a signal that something else, whether a medical condition or a mental health issue, may be driving the i...