ScienceInsights

Light brown discharge is often harmless old blood, but it can sometimes signal something worth checking out. Here's what the color and timing can tell you.

From exercise and breathing to sleep and diet, here's what the evidence says about managing anxiety without medication.

Dry scalp can often be soothed with the right oils, shampoos, and habits. Here's how to find what works for your scalp.

Most Accutane courses run 4 to 6 months, but your dose and skin response can shift that timeline. Here's what to expect.

Practical techniques for lasting longer in bed, from stop-start and squeeze methods to pelvic floor exercises and understanding the role of brain chemistry.

Not all protein powders are created equal. Learn what to actually look for—from protein source and serving size to testing seals and additives.

Styes are caused by bacteria infecting eyelid glands. Learn the difference between types, what raises your risk, and how to keep them from coming back.

Find out how much lemon juice to add to water based on your goal, plus tips on protecting your teeth and avoiding digestive discomfort.

Atelectasis happens when part of a lung collapses. Learn what causes it, how it's treated, and what recovery typically looks like.

Light-sensitive eyes are often caused by dry eyes, migraines, or nutrient gaps. Here's how to find relief and when to see a doctor.