Why do people get sick during winter?

There are a few reasons why people tend to get sick more often during the winter months:

1. Cold weather: When the weather gets cold, people tend to spend more time indoors in close contact with others, which increases the likelihood of spreading viruses and bacteria.
2. Low humidity: Cold weather often comes with low humidity levels, which can dry out the mucous membranes in your nose and throat, making you more susceptible to respiratory infections.
3. Weakened immune system: The lack of sunlight during the winter months can lead to vitamin D deficiencies, which can weaken your immune system and make you more vulnerable to illnesses.
4. Holiday stress: The holidays can be a stressful time for many people, which can also weaken the immune system and make you more susceptible to getting sick.
5. Seasonal viruses: Certain viruses, such as the flu virus, tend to be more prevalent during the winter months, further increasing the likelihood of getting sick.