Biology Insights

Raynaud's causes fingers and toes to change color in the cold. Learn what triggers attacks, how the two types differ, and ways to manage symptoms.

Chlamydia often causes no symptoms, but untreated cases can lead to serious complications. Here's what the risks actually look like and why testing matters.

Booger colors can hint at what's going on in your body, from a healthy clear to infection-fighting green. Here's what each shade actually means.

Desonide is a mild topical steroid commonly used for eczema and skin irritation. Learn how it works, its safety profile, and why doctors often recommend it.

Learn which pills are safe to split, which ones you should never cut, and how to do it correctly to save money without compromising your medication.

Learn how Duchenne muscular dystrophy is diagnosed, from early signs and blood tests to genetic testing and what results mean for the whole family.

Neuriva isn't FDA approved, but neither are most supplements. Here's what that actually means and what the science says about its ingredients.

PEA is a naturally occurring fatty molecule your body already makes. Learn how it may help with pain relief, nerve protection, and what the research actually shows.

Actinic keratosis sits in a gray zone between precancer and cancer. Learn what it is, how likely it is to progress, and how it's treated.

Head congestion can stem from infections, allergies, or even overusing nasal sprays. Learn what's likely behind your symptoms and when to see a doctor.

Caplyta is an atypical antipsychotic, not an SSRI. Learn how it works, what it treats, and how its side effects differ from antidepressants.

Learn what common STDs look like, from herpes blisters to syphilis sores, and how to tell them apart from ordinary skin issues.

Medical neglect happens when a child's health needs go unmet. Learn how it's defined, how it differs from poverty, and how it gets reported.

Pot is technically a drug, but that doesn't tell the whole story. Learn how it affects the brain, its addiction potential, and its legitimate medical uses.

Dry eyes can stem from many causes, including screen use, medications, hormonal shifts, and aging. Learn what's likely behind your symptoms.

Chronic bronchitis can't be cured, but the right treatment can ease symptoms and slow its progression. Here's what actually helps.

BV isn't just an infection — it's a shift in vaginal bacteria. Learn what triggers it, why biofilm makes it hard to treat, and why it often comes back.

Calorie deficits can support weight loss, but going too low has real risks. Here's what the evidence says about safe limits and protecting your health.