Bacteria (Updated)

Bacteria (Updated)

Captions are on! Click CC at bottom right to turn off. When I was a little kid, my parents would let me take my favorite set of dinosaurs into the tub…probably to persuade me into taking a bath. I remember my dinosaurs well! In fact, I used to know all of my dinosaurs. I had…

Fighting Infection with Phages

Fighting Infection with Phages

Modern medicine faces a serious problem. Thanks in part to overuse and misuse of antibiotics, many bacteria are gaining resistance to our most common cures. Researchers are probing possible alternatives to antibiotics, including phages. Dr. Shayla Hesse: “So, bacteriophages, or we like to call them phages for short, are naturally-occurring viruses that infect and kill…

How antibiotics work

How antibiotics work

How do antibiotics work? Pathogenic bacteria in the body cause infections, which can be treated by antibiotics Bacteriostatic antibiotics slow the growth of bacteria by interfering with the processes the bacteria need to multiply These processes include: DNA replication Metabolism e.g. enzyme activity Protein production Bactericidal antibiotics kill the bacteria, for example by preventing the…

Drug-Resistant Infections: Confronting an Escalating Crisis

Drug-Resistant Infections: Confronting an Escalating Crisis

MICHELLE WILLIAMS: Welcome to The Forum, livestreamed worldwide from the Leadership Studio at the Harvard TH Chan School of Public Health. I’m Dean Michelle Williams. The Forum is a collaboration between the Harvard Chan School and independent news media. Each program features a panel of experts addressing some of today’s most pressing public health issues.…