Allergies are not some random, incurable curse or a lifelong side effect of not being raised on a farm or with exposure to a dog. There are different types of allergies and there are distinct causes of and effective treatments for each type.
Health savvy people know that most folks should be supplementing vitamin D3. But, what's less known is that if done incorrectly, it can be fatal. That is not one of the sensationalist comments that's so common on online media today. It's accurate clinically, the mechanism of the danger is understood scientifically, and still, it's not well known to public, which has to change.