Scientists at the Buck Institute for Age Research have identified a protein that plays a key role in the life-extending effects of calorie restriction.
Press release follows:
Buck scientists identify a key protein that may explain the anti-aging and anti-cancer benefits of dietary restriction
Novato, CA, May 21, 2009. A protein that plays a key role in [...]

Press release from Tufts University School of Nutrition
BOSTON (May 18, 2009) Curcumin, the major polyphenol found in turmeric, appears to reduce weight gain in mice and suppress the growth of fat tissue in mice and cell models. Researchers at the Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University (USDA HNRCA) studied [...]

A little over a month ago I conducted a personal experiment where I took 25mg/day doxycycline hyclate in an effort to improve the quality of my skin by reducing collagen breakdown via the inhibition of Matrix-Metalloproteinases (MMPs).
For the duration of the experiment, I consumed approximately 25mg doxycycline in the morning on top of my usual [...]

US scientists say they have successfully reversed the effects of Alzheimer’s with experimental drugs.
The drugs target and boost the function of a newly pinpointed gene involved in the brain’s memory formation.
Read more here…

More evidence regarding the benefits of green tea consumption:
Chronic green tea consumption prevents age-related changes in rat hippocampal formation.
Neurobiol Aging. 2009 May 1.
Assunção M, Santos-Marques MJ, Carvalho F, Lukoyanov NV, Andrade JP.
Department of Anatomy, Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, 4200-319 Porto, Portugal.
The hippocampal formation undergoes considerable structural and functional modifications [...]