Overweight & Obesity

Molecule boosts fat burning

Normally, fat cells store energy. In brown fat cells, however, energy is dissipated as heat—brown fat thus serves as a biological heater. Most mammals therefore have this mechanism. In humans it keeps newborns warm; in ...

Immunology

New players in the immune response identified

The human body contains 600 to 800 lymph nodes, which are specialized organs that trigger immune responses. To be informed about infections in the body, lymph nodes are connected to the individual organs via lymph vessels. ...

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