As the cold increases, the body's veins begin to constrict. This slows blood circulation and causes blood clots to form, ...

Whenever you see blood outside your body, it looks red. Why? Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that’s crucial for carrying oxygen ...

Hypersensitivity to the cold, especially ice cold feet, as well as a feeling of heaviness in the legs, are linked to the presence of varicose veins, finds a large study published in the open access ...

Getting cold feet is sometimes taken as a warning not to go ahead with a wedding or, less drastically, accepting a job offer or university placement. But literal cold feet can be warning of a ...

During the chilly winter months, varicose veins can appear to improve because the cold can cause vessels to constrict. However, when the muscles and blood vessels constrict, the heart must pump blood ...