Therefore, early father involvement has an important protective role against both later psychological maladjustment in children where parents have separated, and against adult psychological distress in women. (fatherhoodinstitute.org)
In addition, if ß amyloid does play an important protective role in the brain, it might make sense to treat it more like cholesterol — which is needed by all cells but dangerous in high levels — than something that needs to be completely eliminated, Tanzi says: «Slow it down, yes — but don't wipe it out.» (sciencemag.org)
Melanocytes play an important protective role in human skin: In sunlight they form the pigment melanin which adsorbs harmful UV radiation and thus prevents sunburn. (sciencedaily.com)