Scientists have discovered a compound in python blood that reduces appetite and could lead to safer, more effective weight-loss drugs.

Pythons don't nibble. They chomp, squeeze, and swallow their prey whole in a meal that can approach 100% of their body weight. But even as they slither stealthily around the forest, months or even a ...

If a human ate 50 percent of their weight in one sitting, their body might not take it. Their stomach would expand, and their heart would begin trying to furiously pump blood to sustain the metabolism ...