Avoid standing for long periods by moving and flexing your calf muscles. If you start to feel faint, lie down or sit with your head between your knees. Drink cold water to help raise your blood ...

The World Health Organization has introduced new HIV prevention guidelines, recommending twice-yearly injectable lenacapavir as an additional PrEP option Clinical trials show that lenacapavir delivers ...

Antibiotic resistance happens when harmful bacteria develop ways to resist antibiotics. Overuse and misuse of antibiotics cause bacteria to become resistant, making them harder to kill. People on long ...