With dangerous virus variants circulating around the world, many wonder how long COVID-19 vaccine immunity will last.  A vaccine expert discusses that and when booster shots might be required...

Scientists are exploring existing drugs and new medications to find treatments that can stop COVID-19 and possibly prevent the next pandemic.  If these medications are given early enough, they offer the potential of keeping the virus from replicating and never becoming a global disease...

Prostate cancer treatments have been available for many years but there are often difficult side effects. Now doctors are having success with a relatively new procedure that uses ultrasound rather than surgery or radiation...

Federal authorities say a heart inflammatory condition can be a rare side effect of the MRNA vaccines, especially in adolescent boys and young men. But they say most often the cases are mild and the patients recover within a few days.  Authorities are studying this side effect to determine if they should change the vaccine…...

Millions suffer every day with asthma symptoms and treatments especially for the most severe forms of the disease can often fall short. But an asthma expert talks about a new category of asthma treatments that are changing the game and ushering in a new golden age in treating this debilitating disease...

Conditions that cause a low sperm count can lead to infertility in men. But a surgical procedure that finds sperm hidden in tissue may help infertile men become fathers...

New Alzheimer’s drug reduces the brain plaques that cause memory and cognitive issues— but is that a cure? An Alzheimer’s researcher explains...

A young ballerina battling worsening scoliosis receives an innovative new surgery that allows her to get back to performing, dancing, and aerial acrobatics...