Replacement heart valves, which are mechanical (made of metal or carbon) or tissue (made from heart tissue from a cow or pig), are inserted during either open-heart surgery or a minimally invasive procedure. The best option for each person depends on age and other factors.
A 2026 study found that taking more daily steps (even at a slow pace) or walking faster (even without adding steps) was associated with a lower chance of dying early.
For people with sleep apnea and hypertension, using a mandibular advancement device provided similar blood pressure control and less daytime sleepiness as continuous positive airway pressure, according to a 2026 study.
Severe cramps in your hands and feet may follow a pattern linked to your menstrual cycle, raising questions about causes, relief and prevention.
Taking Viagra with a blood thinner may involve bleeding and blood pressure concerns, especially for people with atrial fibrillation.
When clonazepam doesn’t ease the unsteadiness of orthostatic tremor, other medicines may offer options to discuss with your doctor.
Suspected sarcoidosis can involve several tests, and the path to diagnosis may depend on where doctors can safely find useful tissue.
Hydronephrosis caused by a kinked ureter involves blocked urine flow, and the right specialist can help determine the next step.
Hyperparathyroidism involves excess hormone production from tiny neck glands and can disrupt calcium balance, bone health and overall well-being.
A dermatologist can confirm actinic keratosis and explain what to expect during evaluation, treatment and follow-up for sun-damaged skin.