Symptoms of pneumonia not caused by bacteria may come on gradually and are often not as bad or as obvious as symptoms of bacterial pneumonia. Many people don't know that they have nonbacterial pneumonia, because they don't feel sick. But symptoms may include: Fever.
Being exposed to too many UV rays has been linked to these negative health effects: 1  sunburns. 2  premature skin aging. 3  skin cancer. 4  eye damage. 5  weakening of the immune system.
Dermatology with 630+ answers. Sunburn is caused by ultraviolet (UV) radiation damage to your skin. Too much UV damages your skin cellâs DNA, and your immune system responds by killing off the bad cells. Because UV radiation doesnât penetrate (unlike X-rays for example), it damages only the surface layer of your skin.