All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions. To supply the energy these tasks require while conserving this ...

A new study suggests that dementia may be driven in part by faulty blood flow in the brain. Researchers found that losing a key lipid causes blood vessels to become overactive, disrupting circulation ...

Just four vital signs make up the traditional core of clinical diagnosis: heart rate, blood pressure, respiratory rate and temperature. For decades, and in some cases, hundreds of years, these metrics ...

Caltech and the Keck School of Medicine of USC have developed a new laser-based headset device that can noninvasively measure blood flow and volume. Caltech postdoctoral scholar Simon Mahler is shown ...

Good circulation is vital for a healthy and well-functioning body. The circulation system delivers oxygen, nutrients, hormones, and immune cells to every cell in the body, while removing waste like ...