Many people with varicose veins may be concerned about how the sun affects their appearance . While the condition themselves don't directly react to sunlight any differently than normal skin , the complexion overlying them can be susceptible to discoloration. This is because the swollen veins can

Yellow fever is a dangerous infectious illness transmitted through the bite of an infected mosquito. It primarily affects people in tropical and subtropical regions of Africa and South America. Symptoms can range from mild to severe, and may include fever, headache, muscle aches, nausea, vomiting