UVB rays are responsible for causing most skin cancers. While large doses of UVA rays can contribute to cancer, it's the UVB rays that are commonly to blame.
But the FDA is warning that this time-honored tradition could be dangerousâand even deadlyâfor dogs. âSome people think itâs safe to give dogs large bones, like those from a ham or a roast,â says Dr. Carmela Stamper, a veterinarian in the FDAâs Center for Veterinary Medicine. âBones are unsafe no matter what their size.
Unlike your teeth, which remain the same essential size and shape your whole life, a hamster's teeth constantly grow. Hamsters grind them down constantly by regular chewing. Chewing on a hard object, like his cage bars, is an evolutionary imperative that keeps his choppers in good condition if no more suitable source for gnawing is available.