When it comes to survival, food and water are pretty much non-negotiable. How long can you go without them? What happens to your body when you cross that threshold? Lend your ear to this HowStuffWorks podcast to find out.
Oct 2025
Ep 190 Starvation: More than hunger
Deprived of food, our bodies do the best they can to keep us alive and functioning as long as possible. As the days pass, the rhythms of our lives change: our metabolism, our heartbeats, our hormones, even our thoughts shift to adjust to this period of scarcity. This response is ... Show More
1h 4m
Mar 2020
Is there enough for everyone?
<p>While the human species is inarguably successful (for now), hundreds of millions of people struggle under daily threats of starvation, physical danger, lack of shelter and disease. And, perhaps more troubling, the numbers indicate it's possible to feed and shelter virtually ev ... Show More
1h 8m
Dec 2023
Molly's pick: Is it ever okay to be a cannibal?
<p>Molly, Carl and Matt become lost at sea, they've run out of food and they lack basic survival skills. So, would it be okay for them to eat each other if they get really really really hungry? Maybe don't listen to this episode while you're eating!</p>
25m 18s
Dec 2023
How Eating Got Complicated
For our ancient ancestors food was just another thing they needed to survive - like sleep, shelter or warmth. But in the modern world, food has become a source of anxiety. Do we eat too much, or too little? And are we feeding ourself the "wrong" things? Dr Laurie Santos has plent ... Show More
43m 10s