The fluid in the blister is tissue fluid from your own body. The tiny, tiny amount that the insect injected has long been gone before the blister arrives. Tom Britt has more. It's a good thing to be aware of our changing nutritional needs as we get older. One area for concern is whether we're getting enough nutrients in our diet.
Some advertising being targeted toward older adults recommends liquid dietary supplements.
The ads give the impression that you will be more vigorous and happy when you drink their mixture. Duke University Medical Center nutritionist Marilyn Sparling says those drinks can be fine, as long as they don't replace your regular meals. There's nothing wrong with having some liquid supplements in there, they can be fine. But I think if someone is going to have three of those a day and is not eating any real food, that's not a good idea. Some critics have pointed out that the dietary supplements being touted for older adults are nothing more than hospital food that has traditionally been used when a bedridden patient is unable to take any solid food.