ScienceInsights

Qvar Redihaler looks different, but it's not a dry powder inhaler. Learn what type it actually is and why that matters for your asthma treatment.

Alcohol affects your brain, heart, sleep, and gut in ways you might not expect. Here's what the science says about drinking and your health.

A 1 mg melatonin dose stays active for about 4–5 hours, but timing, age, and formulation all affect how long it works for you.

Learn the physical, functional, and disease-specific signs that indicate hospice care may be the right next step for a seriously ill loved one.

The DOT 5-panel drug test screens for five specific drug categories. Learn what substances are tested, the cutoff levels used, and what a positive result means.

Recovery time for a UTI depends on the type of infection and your job. Here's what to expect before heading back to work.

Practical tips for managing morning sickness at work, from what to eat to your legal rights around workplace accommodations during pregnancy.

Amitriptyline's half-life averages around 21 hours, but metabolism, genetics, and an active metabolite mean it clears differently for everyone.

Foot numbness from sciatica can ease with the right nerve gliding exercises, sleep positions, and movement strategies. Here's what actually helps.

Brown spots on skin are usually harmless, but some need a doctor's attention. Learn what causes them and which signs to watch for.