Biophysicists unraveled a mystery of how muscles form at the molecular level and how they maintain their function.

Adipose tissue, or fat, is an anatomical term for loose connective tissue composed of adipocytes. Its main role is to store energy in the form of fat, although it also cushions and insulates the body.

The circulatory system carries oxygen and nutrients throughout the body and removes waste. The lymphatic system helps fight disease by creating and moving white blood cells and antibodies. The ...

The skin is the body's largest organ and helps protect internal organs from harm. Hair helps protect the skin, regulates body temperature, and is part of the body's sensory system. Sweat glands help ...

Understanding how cell types arise is fundamental to explaining animal complexity. Pigment cells offer opportunities to address this question because they display striking variation. We show that ...

The passage of time may be linear, but the course of human aging is not. Rather than a gradual transition, your life staggers and lurches through the rapid growth of childhood and the plateau of early ...

Physical therapists also help people of all ages and at different life stages. Some people visit a physical therapist for advice on becoming healthier and how to prevent future problems from occurring ...

Editors’ note: In the June 2024 issue, America published an article called “Dividing the Church on Brain Death.” Dr. Jason T. Eberl and his coauthors argued that current neurological criteria for ...

This study adds to the growing body of evidence that improve our understanding of the cardiovascular effects of cannabis. Increased heart rate, blood pressure, and arterial stiffness observed in this ...

The integumentary system is the physical system that forms the barrier between the external environment and the internal systems of the body. In humans, this system consists of skin, hair, nails, and ...