If you go out in the cold with wet hair, no hat or under dressed if you cold, then there is likely to develop a cold.
Here our mothers wrong. Although this is a controversial topic, most experts believe that coming out in the cold without enough clothing not affect the chances to catch a cold or flu. The only way to get sick from a cold or flu is to “get” virus. However, this in no way means that it is okay to go out with wet hair or cold with inadequate clothing.
Most experts agree that the reason for the existence of this myth is that cases of flu and colds are most common in autumn and winter, when is cold. They argue that greater dissemination of viruses is due to the fact that most people spend time indoors and have closer contact with each other, rather than low temperatures.