Vigabatrin 35 years later - from mechanism of action to benefit-risk considerations

Textiloma in abdominal cavity: 35 years later.

The description of foreign body in patients who have undergone surgical procedures is increasing. This fact has contributed to the development of strategies to promote tools to prevent these events, professional qualification and early detection. The first report of a case with the presence of a foreign body in the abdominal cavity was described in 1884. Since then several others are being desc...

Open Problems About Regular Languages, 35 Years Later

Contaminants in fish: risk-benefit considerations.

Fish provide a healthful source of dietary protein and are high in nutrients such as omega-3 fatty acids. There is evidence of beneficial effects of fish consumption in coronary heart disease, stroke, age-related macular degeneration, and growth and development. Yet, benefits may be offset by the presence of contaminants, such as methylmercury (MeHg), dioxins, polychlorinated biphenyls (PCBs) a...

Risk/benefit considerations in pedodontic radiology

The use of radiation as a diagnostic instrument, and the biological effects of irradiation have received so much scrutiny during the past decade that exposure to radiation has become a public interest concern. Most lay persons, that is nonscientists, perceive radiation exposure as possibly injurious. Knowledge of possible radiation effects has become so generally dissiminated that most lay pers...

Mammographic screening of women aged 40-49 years. Benefit, risk, and cost considerations.

A recently published meta-analysis of seven randomized trials showed a statistically significant 24% reduction in mortality rate with the use of mammographic screening for women age 40-49 years. The benefit would have been even greater if screening had been performed at shorter annual intervals with the most up-to-date mammographic equipment. Additionally, these trials underestimated benefit du...