What happens to the body when it gets cold?

Winter weather makes your fingers "shrink" and feel pain.

The cold weather caused people to change both physically and mentally. Here are the strange phenomena that occur in the winter you should note, according to the Huffington Post.

Burn more calories

When the temperature drops, the basic metabolic rate or calories consumed to maintain human survival increases in order to keep warm.

"Shrink" finger

In the winter, many people will find that the ring or wear seems wider. Dr. Albert Ahn from New York University's Langone Hospital (USA) explains: "To maintain body temperature, blood vessels shrink and blood is less concentrated to the fingers and toes. As a result, they are like shrinked ".

The cold caused numbness in the arms, legs and ears due to excessive arteries.(Photo: FA).

Pain in the fingers

The cold can lead to Raynaud's disease that causes numbness in the arms, legs and ears due to excessive arteries."The disease is not dangerous, but very uncomfortable and painful, " Dr. Ahn said. To improve symptoms, patients need to wear warm enough and avoid being outdoors for too long.

Redness of the nose and cheeks when cold indicates blood in these areas is being diverted to more important organs such as the heart and lungs. As long as the body is warmed, the blood will flow normally and dissolve the condition.

Because of trying to keep heat, the body puts pressure on the heart, forcing it to work harder. As a result, the risk of heart attack increases in the winter. In addition, blood pressure may increase slightly.

Mood goes down

The temperature dropped, the daytime was short, making people more prone to vitamin D deficiency and falling into a moody, depressed mood. This phenomenon is heavy, light depending on the individual; Some serious cases will turn into seasonal emotional disorders.

In order to dispel the negative mood, Dr. Ahn recommends the community exercise, spend time in the sun and consider taking vitamin D supplements. Be aware, quickly go to the doctor if you feel too heavy to interfere with your activities for timely treatment.