Tag: Smoking

  • Are sinus infections contagious?

    Are sinus infections contagious?

    Sinus infections, also known as sinusitis, are not usually contagious. Most sinus infections are caused by viral infections, such as the common cold, which are spread through respiratory droplets when an infected person coughs, sneezes, or talks. However, it is possible for a bacterial infection to cause sinusitis. In these cases, the infection may be…

  • What is a stroke?

    What is a stroke?

    A stroke is a medical emergency that occurs when the blood supply to part of the brain is disrupted, either by a blood clot blocking a blood vessel or by a blood vessel breaking and bleeding into the brain. This disruption in blood flow can cause brain cells to die, leading to various symptoms depending…