Professional organization for plastic surgeons, including the practice of cosmetic surgery and anti-aging medicine.

Organization dedicated to scientific methods to slow and reverse aging.

Membership organization with chat and information about hormone therapy for anti-aging. Affiliated with the Senior Citizens Association in Tulsa, Oklahoma.

Dedicated to finding a cure for senescence through research and community involvement. Located in Fremont, California.

Non-profit life extension organization. News and directory of anti-aging drugs.

Nonprofit society of health care professionals dedicated to the advancement of anti-aging medicine. Publisher of the Journal of Anti-Aging Research.

The American Academy of Anti-Aging Medicine (A4M). News, directories of clinics and products, and publications.

Assistance to scientific research projects that are aimed at the extension of human life span.

Nonprofit longevity organization that promotes and publicizes achievable anti-aging technologies.

Professional society for neuroendocrinologists, including endocrinologists who specialize in anti-aging medicines.

Holds monthly seminars on issues of alternative health, biochemistry, physiology, anti-aging, and related research areas. Palo Alto, California.

Holds regular seminars on possible clinical interventions against the aging process and related topics in growth and developmental biology. Includes rosters and photographs of those living past the age of 110.

Promotes research to apply engineering principles to stop and reverse the aging process. Initiatives, concerns, meetings, targets, and information about project leader Aubrey de Grey.