The first ever vaccine was created when Edward Jenner, an English physician and scientist, successfully injected small amounts of a cowpox virus into a young boy to protect him from the related (and deadly) smallpox virus. But how does this seemingly counterintuitive process work? Kelwalin Dhanasarnsombut details the science behind vaccines.
Following the release of his book on the gut, Dr Michael Mosley returns to Insight for a discussion with fellow experts and ordinary Australians about how the gut can play an integral role in our overall physical and mental health.Increasingly, research is shedding light on the previously mysterious world of the gut and the 1-2 kilograms of microbes that live there, forming each person's unique microbiome , the genetic ecosystem of bacteria, viruses, fungi and other organisms that lives inside and on our bodies from birth. This week's Insight tackles the ground-breaking science and personal stories around the gut's potential to change our lives.
2017 • Health
Growing up in the streets of Dundee, actor Brian Cox was surrounded by tobacco. His entire family either smoked it or chewed it and yet Brian reveals, he never took up the habit. To find out why not, Brian travels to Virginia in the US to discover how the habit of smoking kick-started the British Empire and created a global market of addicts.
We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need? Emma Bryce explains how a few different factors should go into determining the recommended amount for each person.
The series offers a fresh look at the science behind teeth and dentistry, and what we can all do to improve our oral health. The programmes feature patients undergoing treatment for missing or broken teeth, decay, gum disease, and a range of other problems – sometimes to the extreme. The series also features a strong public health message, with experiments on and information about everything from correct tooth brushing to the effectiveness (or otherwise) of over-the-counter tooth whitening kits.
One in five families eat convenience foods at least three times a week and a government survey showed only one in six mothers cook from scratch every day. In the first of four food programmes over the next fortnight, the Tonight programme investigates why some of us can’t cook or won’t cook and what can be done to get Britain back in the kitchen. The UK has the largest consumption of ready meals in Europe. It’s no surprise; they are cheap, convenient and easy. A few minutes in a microwave and dinner is served. But for some families the ready meal isn’t always the first choice, it’s sometimes the only choice.