Why some people get colds?

The common cold is a viral infection of the nose and throat caused by many different viruses, including the rhinovirus and coronavirus. It is the most common infectious disease of humans, affecting people of all ages. There are many factors that can increase a person's risk of getting a cold, including:

Exposure to the virus. The most common way to catch a cold is through direct contact with an infected person, such as through coughing or sneezing. The virus can also be spread through contact with contaminated objects, such as doorknobs or toys.

Weakened immune system. People with weakened immune systems are more likely to catch a cold. Certain conditions, such as HIV/AIDS, cancer, and diabetes, can weaken the immune system. Stress, lack of sleep, and poor nutrition can also temporarily weaken the immune system.

Environmental factors. Certain environmental factors can increase a person's risk of getting a cold, such as cold temperatures, dry air, and close quarters with infected people.

Genetic factors. Some people may be more likely to catch a cold due to their genes.

It is important to note that there is no cure for the common cold, but there are treatments that can help relieve symptoms. Cold symptoms typically go away on their own within 7-10 days. Antibiotics are not effective against the common cold because they are not effective against viruses.