Varicose veins, these bulging blood vessels commonly found in the legs, sometimes be influenced by a variety of factors. One question that often arises is: does sun exposure have an impact on varicose veins? While there's no clear-cut evidence to suggest that sunlight causes varicose veins, some studies indicate a possible link between prolonged su

Yellow fever presents a significant burden/challenge/threat to public health, particularly in tropical and subtropical regions. This viral/mosquito-borne/acute illness/disease/condition is caused/transmitted/spread by the yellow fever virus, which primarily/mainly/usually circulates among/between/within monkeys and humans/people/individuals. Trans