West Nile

West Nile virus hit California harder than ever last year, with a record 561 cases of neuroinvasive disease — the most serious type of the illness — reported from the mosquito-borne virus, according to new federal health data released late last week. The...

Could mobile devices raise skin cancer risk?

Devices such as tablets, smartphones and laptops can reflect ultraviolet light from the sun and may indirectly increase users’ exposure to the cancer-causing wavelengths, according to a new study. “These devices are generally used for communication or...