Six years after the COVID-19 pandemic began, doctors are still treating long COVID patients with complex symptoms and unknown ...

After a heart attack, cardiologists can reopen blocked vessels and restore blood flow, but the muscle cells that died will never be replaced.

The government has taken multiple steps in recent days as the war in the Middle East continues to threaten fuel supply.

Working from her home in Phoenix, 25-year-old Alyssa Reader felt unusually anxious. She put her marketing project aside and ...