Hormones and aging
Many hormones (but not all) decline with age. Is this decline the cause of the loss of vitality so often seen in aging?
Frigate birds and walking
Frigate birds don't walk, but stay in great shape doing what they do. You can achieve the same by walking (and watching what you eat).
Avoid the walu (or escolar or butterfish or ex-lax fish or whatever it is called)…
After four years, this remains my most popular blog post.