COVID-19 may leave behind more than the memory of an infection. A large new study suggests that when the illness becomes severe, it can disturb viruses that have been quietly living in the body for years. These viruses are not necessarily new infections. Some, including Epstein-Barr virus, cytomegalovirus (CMV), and herpes simplex virus, can remain …
Hydration has always seemed like one of those simple truths in health. You feel thirsty, you drink water. You feel dehydrated after a long day in the sun or an intense workout, you drink even more water. For decades, water has been held up as the unquestioned champion of hydration. It is clean, it is …
For decades, cancer was largely viewed as a disease that arrived later in life. It was something most people associated with aging, long-term habits, or inherited risk factors that accumulated over time. That assumption is becoming harder to defend. A growing body of research shows that cancer is increasingly affecting younger adults, particularly women. According …