Resistance: Vitamin C Is Not Much Help Fighting Colds, Study Shows (New York Times) A large review of placebo-controlled trials of vitamin C for cold prevention and treatment has concluded that it is largely ineffective. [News Source]

Healthful diet may benefit teens with asthma. The Harvard School of Public Health decided to study the relationship between diet and the incidence of asthma and other respiratory problems in 2,112 high school seniors. [News Source]

Should you sip your vitamins through a straw? As nutrient-fortified sodas, juice, teas and flavored water proliferate on store shelves, questions remain about whether these beverages really provide health benefits. [News Source]

Diet soda, metabolic syndrome linked. Drinking as little as one can of soda a day -- regular or diet -- is associated with a 48 percent increased risk of metabolic syndrome, a key predecessor of heart disease and diabetes, according to results released Monday. [News Source]

Exploring a surprising link between obesity and diet soda. Do unhealthy people drink diet soda? Does diet soda make people unhealthy? Those are some the questions raised by a surprising new study that links consumption of soft drinks with a higher risk for a range of obesity-related health problems. [News Source]

Study: diet soda linked to heart risks. People who drank one or more diet sodas each day developed the same risks for heart disease as those who downed sugary regular soda, a large but inconclusive study found. The results surprised the researchers who expected to see a difference between regular and diet soda drinkers. [News Source]

Vitamin C (WJTV Jackson) Vitamin C and the common cold [News Source]

Beware of household chemicals. One of the most frequently e-mailed stories on this newspaper's Web site last week was a piece about how pesticides responsible for iconic suburban lawns have been linked to health problems ranging from cancer to birth defects to asthma. [News Source]

Lycopene fails FDA’s scrutiny. This just in: Organic tomatoes have more lycopene than conventionally farmed tomatoes. This also just in: Lycopene may not be as healthful as we thought. [News Source]

Pastured a-plenty. The demand for dairy goods from farms that avoid antibiotics and growth hormones is soaring, and consumers are willing to pay the price. [News Source]

Study on Vitamin C/Cold Prevention (WLNS Lansing) Shows, in some circumstances, it may reduce risk. [News Source]

Learn the ABCs of multivitamins (Fort Worth Star-Telegram) By KAREN SHIDELER Which vitamins do you need for optimal health? All of them. If we ate like we are supposed to, we wouldn't need to pop a multivitamin or any supplemental vitamin. But because most of us don't, we would probably benefit from a daily multivitamin. Picking a multivitamin Although the rules are changing, vitamins don't undergo the government oversight that other products do. ... [News Source]