Medical research

Mapping the destructive path from cigarette to emphysema

From the cherry red tip of a lighted cigarette through the respiratory tract to vital lung cells, the havoc created by tobacco smoke seems almost criminal, activating genes and portions of the immune system to create inflammation ...

Oncology & Cancer

Many chemicals unproven to raise breast cancer risk

Women who want to reduce their risk of breast cancer may have heard they should avoid exposure to industrial chemicals but scientific evidence has so far not proven a direct link, said a US group Wednesday.

Health

Clean indoor air laws encourage bans on smoking at home

Second hand smoke exposure among nonsmokers has declined over time as clean indoor air laws have been adopted. However, there has been concern that such laws might encourage smokers to smoke more in their homes or other private ...

Health

Household smoke increases severity of bronchiolitis in babies

A study by the University of Liverpool has found that babies admitted to hospital with bronchiolitis from a household where a parent smokes are twice as likely to need oxygen therapy and five times as likely to need mechanical ...

Medical research

Maternal smoking causes changes in fetal DNA

Children whose mothers or grandmothers smoked during pregnancy are at increased risk of asthma in childhood, but the underlying causes of this are not well understood. Now a new study indicates changes in a process called ...

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