People are being warned to stop using a weight loss pill sold over the internet and in Chinese medicine shops.

BBC: Herbal weight loss pill warning

Hogg got enough money to build the first few of what are now six Chinese herbal medicine shops in London, operating under the Sen name.

FORBES: Ancient Secrets

There are old-fashioned Chinese medicine herbalists, traditional foodstuff vendors selling seaweed and glazed crickets by the handful, and more than a few shops hawking aka-pantsu -- bright red, high-waisted underwear believed to ward off evil and bring the wearer strength and vitality.

BBC: Seeing Tokyo along the Yamanote Line