Online retail giants like Amazon have made it easier for people to buy what they want when they want it, but that convenience comes at a cost to people’s health, a new study says. Huge warehouses that support online shopping increase air pollution in the neighborhoods where they’re located, increasing residents’ risk of asthma attacks…  read on >  read on >

Consistently bad sleep is linked to a person’s risk of developing type 2 diabetes, a new study shows. Both too little and too much sleep is tied to diabetes risk, and swinging wildly between the two patterns of poor sleep reflects the most risk, researchers reported recently in the journal Diabetologia. The findings support “the…  read on >  read on >

City dwellers are less likely to be healthy, happy and well-off than people living outside urban areas, a new study reports. Instead, there’s a suburban “Goldilocks zone” between cities and rural areas where people are happiest, researchers report. “Areas near cities but beyond their boundaries… show the highest and most equal levels of psychological satisfaction,”…  read on >  read on >

Dogs can sniff out whether a human is stressed or relaxed, new research suggests, and that sensory feedback appears to influence canine emotions and choices. The dog doesn’t even have to know the human well to interpret odor in this way, the British researchers noted. “Dog owners know how attuned their pets are to their…  read on >  read on >

Pudgy with a purpose: Fat cats could help humans better understand the way gut bacteria influences conditions like obesity and type 2 diabetes, a new study claims. Food-related changes in obese cats’ gut microbiome have striking similarities to the way diet affects the gut of humans, researchers reported recently in the journal Scientific Reports. As…  read on >  read on >