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La hemoglobina anormal, llamada hemoglobina S, causa la anemia de células falciformes.

The core values of peer review drive the NIH to seek the highest level of ethical standards, and form the foundation for the laws, regulations, and policies that govern the NIH peer review process. The NIH dual peer review system is mandated by statute in accordance with section 492 of the Public Health Service Act and federal regulations governing "Scientific Peer Review of Research Grant Applications and Research and Development Contract Projects". NIH policy is intended to promote a process whereby grant applications submitted to the NIH are evaluated on the basis of a process that strives to be fair, equitable, timely, and free of bias.

A research study in which one or more human subjects are prospectively assigned prospectively assigned The term "prospectively assigned" refers to a pre-defined process (e.g., randomization) specified in an approved protocol that stipulates the assignment of research subjects (individually or in clusters) to one or more arms (e.

Provides small, achievable steps to help teenagers make healthier food choices, be more active, and get enough sleep.

Learn which prescription weight-control medications are—and aren't—safe and effective, how they work, and their common side effects.

Trends in overweight, obesity, and severe obesity for children, adolescents, and adults.

Habla sobre algunos de los mitos y las verdades relacionadas con la pérdida de peso, la nutrición y la actividad física.

Separating weight-loss myths from facts can help you make healthy changes in your eating and physical activity habits. Get the facts about healthy weight loss.

For a healthy weight, learn to read a Nutrition Facts label, understand how portions and servings differ, and choose the right amount of food for you.

You can help your child reach and maintain a healthy weight by adopting healthy lifestyle habits. In some cases, medicines and surgery may also be options.