Mosquito saliva may be increasing the severity of diseases.
The virus is similar to those which caused the SARS and MERS outbreaks.
A specific chemical in rat poison called brodifacoum may be tainting synthetic marijuana products.
"It's unprecedented that we're seeing such deep responses in a such a high proportion of patients."
"'What's your zip code?' is fast becoming one of the most important things your doctor could ask you.
The judge ruled that coffee companies had failed to demonstrate there was no significant risk from a by-product of the coffee bean roasting process.
The latest measles case "underscores the importance of following vaccine recommendations and being up-to-date on vaccines."
The number of days when smog posed a high health risk have doubled in the last year.
Some believe Trump's hostile attitude toward migrants and his immigration crackdown have created a public health crisis among potentially millions of children across the country.
"This is not just an opioid use crisis of historic proportions...There is a more general drug misuse crisis."
An executive order could change the lives of people living with HIV.
Public health officials report that at least 39 people have become ill from Campylobacter infection linked to puppies from the retail shops.
"There were some lessons to be learned from Katrina."
Close quarters make transmission of communicable diseases likely and health care services can become challenging.