Special Delivery

Addiction – so complicated, I need a map! This is Sandra Tsing Loh with the Loh Down on Science. We know that drugs and chocolate are addictive. We get a taste, and our brains tell us we want more! But WHY? The brain has special delivery systems that help drugs

Sitting or Smoking

Tell click-bait medical headlines to take a seat! This is Sandra Tsing Loh with the Loh Down on Science. We all know that sitting all day isn’t ideal. According to recent headlines, “sitting is the new smoking!” At Athabasca University, Jeff Vallance studies human health and behavior. He wondered: Could

Viral Addiction

Has addiction gone VIRAL? This is Sandra Tsing Loh with the Loh Down on Science. Retroviruses like HIV make us sick by inserting their genes into our cells. Usually, these genes cause cells to make new copies of the retrovirus. But occasionally, the genes mutate and can’t make new viruses.