All of those ARE reasons why communicable diseases kill fewer people today except for B. Your answer is B.
<span>-The Skin aging
- The sunburn or actinic erythema
-The Photosensitivity reactions
- The "solar allergies" (The light eruptions)
-The Heat stroke
-The Skin cancer
On eye
- The effects of sunlight on the eyes may cause: Photokeratitis, conjunctivitis, cataract ...
-The Ultraviolet radiation, affecting the skin, can have harmful effects on the immune system<span>.</span></span>
