A particular protein deficiency that leads to liver and lung damage is currently treatable only with decades-old therapies that all have limitations. Biotech startup AIRNA is part of a field of ...

What you eat matters, but how much you eat is just as important. That’s the case with protein, the superstar macronutrient getting tons of hype for its many benefits. In addition to helping you feel ...

Protein isn't just for gym bros looking for ridiculous gains—it’s key to your overall health. Experts say that if you skimp on it you risk infections, broken bones, and exhaustion.

Alpha-1 antitrypsin (AAT) deficiency is a genetic disease where your body doesn’t make enough normal functioning AAT. AAT is a protein your liver makes. AAT has many important roles in your body, ...

Protein powder is generally safe if used in recommended amounts by healthy adults. People with or at risk of kidney disease should talk to a healthcare provider before taking protein supplements.