ScienceInsights

Cold sores typically heal in 7–10 days, but treatment, recurrence, and your immune health can all affect how long they last.

Most kids stay dry at night between ages 3 and 5, but bedwetting past 7 is common. Learn the signs your child is ready and how to help the transition.

Apple cider juice has real health perks, but its sugar and acidity come with trade-offs. Here's what the science says about drinking it safely.

Sinus headache relief options explained, from pain relievers and decongestants to saline rinses, plus when to see a doctor.

Chapped lips got you peeling? Here's how to safely remove dry skin using a sugar scrub, toothbrush, or washcloth—plus how to keep lips smooth after.

Recovery from porn addiction varies widely, but most people see meaningful brain and sexual health changes within 3 to 6 months.

A psychiatrist does more than prescribe medication for depression. Learn what to expect from your first visit through ongoing care and treatment.

Eating cat food occasionally is unlikely to harm you, but lower safety standards and raw varieties make it a poor long-term choice for humans.

Neck and shoulder pain has many causes, from muscle strain to pinched nerves. Learn what's likely behind your pain and which symptoms warrant a doctor visit.

Toenail fungus is stubborn, but some home remedies actually have evidence behind them. Here's what works, what helps, and when to see a doctor.