What Littlechef should really be worrying about.
- Death due to accidental inhalation of DHMO, even in small quantities.
- Prolonged exposure to solid DHMO causes severe tissue damage.
- Excessive ingestion produces a number of unpleasant though not typically life-threatening side-effects.
- DHMO is a major component of acid rain.
- Gaseous DHMO can cause severe burns.
- Contributes to soil erosion.
- Leads to corrosion and oxidation of many metals.
- Contamination of electrical systems often causes short-circuits.
- Exposure decreases effectiveness of automobile brakes.
- Found in biopsies of pre-cancerous tumors and lesions.
- Given to vicious dogs involved in recent deadly attacks.
- Often associated with killer cyclones in the U.S. Midwest and elsewhere, and in hurricanes including deadly storms in Florida, New Orleans and other areas of the southeastern U.S.
- Thermal variations in DHMO are a suspected contributor to the El Nino weather effect.
Proper statistics are hard to dig up, but I have found that DHMO was a direct cause of death in 3842 cases in the USA in 2002. 8.5% of them were children under the age of one.
Numbers are harder to find in the UK, but around 500 deaths occur every year following contact with DHMO.
(A drop of 4% in DHMO deaths in 2001 was attributed to fewer people visiting rural areas thanks to the foot-and-mouth outbreak, indicating a prevalence of DHMO contamination in England's green spaces.)
Rather than scaremongering, you should be warning your friends about a very real hazard in their everyday lives.