What Happens When The Body Is Stressed? Some people don't even know they are stressed. However when you are unwell then having a blood test and taking a look at your diet my reveal some clues. Marvin Plott, nutritionalist and coach is providing clients with nutritional services to handle stress better. Marvin is extolling the virtues of how to discover the hidden benefits of donating blood to get a complete detox as well as adopting a different eating regime to cope when the body is stressed.