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Global cancer rates could increase by 50% to 15 million by 2020

Cancer rates could further increase by 50% to 15 million new cases in the year 2020, according to the World Cancer Report, the most comprehensive global examination of the disease to date. However, the report also provides clear evidence that healthy lifestyles and public health action by governments and health practitioners could stem this trend, and prevent as many as one third of cancers worldwide. In the year 2000, malignant tumours were responsible for 12 per cent of the nearly 56 million deaths worldwide from all causes. In many countries, more than a quarter of deaths are attributable to cancer. In 2000, 5.3 million men and 4.7 million women developed a malignant tumour and altogether 6.2 million died from the disease. The report also reveals that cancer has emerged as a major public health problem in developing countries, matching its effect in industrialized nations.

Study Links Secondhand Smoke to Tooth Decay in Children

Young children who are exposed to secondhand smoke have a much higher rate of tooth decay than children who do not grow up around smokers, according to a study supported by the Agency for Healthcare Research and Quality. The study is the first in the United States to associate secondhand, or passive, smoking with tooth decay?a public health problem that costs an estimated $4.5 billion annually. Although the occurrence of dental cavities in children has declined dramatically in the United States, little headway has been made in reducing cavities in children living in poverty, who generally have less access to dental care and appear to be more vulnerable to dental decay.

Testicular self-exams often not done, study shows

A self-exam for testicular cancer takes maybe a minute to do and about that much time to teach but most often, neither happens, according to a study published in the March issue of Pediatrics. An electronic survey completed by 129 pediatric or pediatric/internal medicine residents at two teaching programs in the United States showed that 29 percent of the male residents performed monthly self-exams and that 40 percent of all the residents taught the exam to their 12- to 21-year-old patients, said the study’s lead author.

Environmental Enrichment Reverses Learning Impairments from Lead Poisoning

Environmental enrichment that stimulates brain activity can reverse the long-term learning deficits caused by lead poisoning, according to a study conducted by researchers at the Johns Hopkins Bloomberg School of Public Health. It has long been known that lead poisoning in children affects their cognitive and behavioral development. Despite significant efforts to reduce lead contamination in homes, childhood lead poisoning remains a major public health problem with an estimated 34 million housing units in the United States containing lead paint. The Hopkins study is the first to demonstrate that the long-term deficits in cognitive function caused by lead can be reversed and offers a basis for the treatment of childhood lead intoxication.