Probably blood clots such as bruises.
Civilian Health and Medical Program of the Veterans Administration (CHAMPVA)
I think that by spending time with the child ,doing things that are fun to them, is one way for one to demonstrate their love to their child because the child might feel like you are listening to them. Another way would be to give them things they want. This may sound just like one is spoiling the child and bribing them for affection but this may actually mean, once again, that you are listening. And lastly, a way to demenstrate affection would be to just know the childs feelings and respectfully react because ones not all up in the childs face "hover".
The most reliable source of medical health information is always a physician. Although certain websites can contribute accurate information they are not always as detailed as a physician.
Ergonomics<span> (or human factors) is the </span>scientific<span> discipline concerned with the understanding of interactions among humans and also other elements of a system, & the profession that applies theory, principles, data and methods to design in order to optimize human well-being and overall system performance.
Hope This Helps</span>