2 citations,
May 2009 in “Hair transplant forum international” Keeping the head elevated for 1.5 days after hair transplant surgery helps prevent facial swelling.
8 citations,
October 2008 in “Medical hypotheses” Baldness might be caused by scalp weight pressing on hair follicles.
8 citations,
March 2015 in “Facial Plastic Surgery” Aging involves volume loss, not just gravity and skin changes, and restoring facial volume is key for a youthful look.
47 citations,
April 2012 in “The Plant Journal” Phosphorylation of certain parts of the PIN3 protein is crucial for its role in plant root growth and response to gravity.
December 2016 in “Paleontological Journal” Hair growth can be induced by transplanting certain cells, but these cells lose their properties during culturing. The best cell interaction happens in a liquid medium under gravity, and using collagen doesn't help. Future research could focus on using growth factors to stimulate these cells.