ScienceInsights

Collagen injections can smooth wrinkles and restore volume, but results are temporary. Learn how they work, what they cost, and how they compare to other fillers.

Learn which antibiotics treat Lyme disease at every stage, from early infection to heart and nervous system involvement, plus what to expect during recovery.

NyQuil hits harder than melatonin, but that doesn't make it the right sleep aid. Here's how they differ and when each one actually makes sense.

Natural passive immunity passes antibodies from mother to baby during pregnancy and breastfeeding, offering temporary protection that fades within months.

Tea tree oil comes from an Australian plant and has real antimicrobial properties, with decent evidence for acne and athlete's foot, though it can irritate skin and is toxic to pets.

Lapiplasty corrects bunions in three dimensions rather than just shifting the bone sideways, which may lower the chance of the bunion returning.

Benecol can modestly lower LDL cholesterol, but it's not for everyone. Here's what the science says about who benefits and what to realistically expect.

Periodontal disease is treatable at every stage. Learn what actually helps, from deep cleaning and antibiotics to surgery, home care, and lifestyle changes.

A practical guide to end-of-life planning, from legal documents and medical wishes to finances, digital accounts, and talking with loved ones.

Find practical ways to ease heartburn, from antacids and soothing foods to sleep tips and knowing when to see a doctor.