Ask the Doctor

Vaginal moisturizer and lubricant both combat vaginal dryness, but they're not the same. Vaginal moisturizers are absorbed into vaginal tissue, while lubricants remain on the surface. Women should speak to their doctor if vaginal dryness persists.

A 2024 Harvard study of 90,000 people (average age 62), followed for about 10 years, found that getting 150 minutes per week of moderate-to-vigorous physical activity was tied to improved health, particularly heart health. But among people who got the recommended amount of exercise, those who were the most sedentary the rest of the time had a greater risk of developing heart failure and dying from heart disease, compared with those who were the least sedentary.

As estrogen levels drop, women's bodies store more fat around the abdomen, fueling a weight shift to the belly. Women can counter this by ramping up protein intake and doing strength training to maintain muscle mass and metabolism.

Treatments for severe carotid stenosis include a catheter-based procedure to insert a stent inside the carotid (carotid artery stenting) or surgery to remove the plaque inside the artery (carotid endarterectomy).

A sleep study is performed to detect sleep apnea or other sleep disorders. It often takes place in a special lab. The person is hooked up to equipment that records the brain's activity and monitors snoring, blood oxygen levels, and other variables.

Ice baths typically happen in water that's between 50° and 60° F. Studies about their health benefits are inconclusive, but ice baths can be risky. People should never take an ice bath without someone nearby, and stay in for a maximum of 15 minutes.

There are no health benefits to taking a daily calcium supplement in addition to the amount of calcium a person gets from a regular well-balanced diet. Too much calcium from supplements can lead to problems, like a higher risk of kidney stones and poor absorption of micronutrients.

Cuticles hinder germs from entering the nail bed. Dry, cracked, or damaged cuticles may become infected, leading to a red, swollen, painful area around the nail. Mild nail infections can be treated at home, but people should see their doctor if the infection doesn't resolve.

Charcoal toothpastes, marketed as tooth whiteners, contain activated charcoal, an abrasive substance that can help remove surface stains. While safe in small doses, charcoal toothpaste shouldn't be used daily, since it may damage tooth enamel.

A subconjunctival hemorrhage is a broken blood vessel in the eye. It's usually not serious and resolves on its own within two weeks. People who also experience eye pain or vision changes may have an eye infection and should see a doctor.