"From 10AM to 4PM are the most dangerous hours for exposure to the sun."
The first two don't make any sense. As for SPF, the FDA minimum is 15 but the recommended minimum is 30. 10AM-4PM are the peak sunlight hours, generally (unless you live in Antarctica of course).
Seems like really bad anxiety, or possibly atrial fibrillation.
Answer:
Chlamydia, They are the most common of STIs that can affect both men and women.
Answer
The reason something or someone exists