Cotton-wool spots are found in many conditions. If present, multiple spots are typically seen in patients with hypertension, rheumatologic disease, diabetes or HIV infection. They are associated with ...

He said that unlike cotton, wool will still hold in heat when it is wet. He also recommended bringing multiple pairs of socks for a hike to help prevent moisture from building up and causing blisters.

The colour of the clothing is also a contributing factor to keep you cool during summer. Light colours reflect sunlight away ...