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Articles on MRI

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Like natural hormones, known as endogenous hormones, the artificial hormones contained in the pill, known as exogenous hormones, can have effects on the brain. (Shutterstock)

The contraceptive pill also affects the brain and the regulation of emotions

Oral contraceptives modify the menstrual cycle. What’s less well known is that they also reach the brain, particularly the regions important for regulating emotions.
Modifiable risk factors for dementia include high blood pressure, obesity, physical inactivity, diabetes, smoking, excessive alcohol consumption and infrequent social contact. (Shutterstock)

Aging with a healthy brain: How lifestyle changes could help prevent up to 40% of dementia cases

While there is no guarantee of warding off cognitive decline, encouraging people to be physically, mentally and socially active could potentially keep a significant number of dementia cases at bay.
Breast density is one of the factors that can influence whether people should pursue supplemental screening. andresr/E+ via Getty Images

The FDA’s rule change requiring providers to inform women about breast density could lead to a flurry of questions

Dense breast tissue is common and normal, but it can make cancer more difficult to detect. FDA requirements going into effect in September 2024 will dictate that patients be better informed about it.
Room-temperature superconductors could make high-speed maglev trains more practical. Visual China Group via Getty Images

Room-temperature superconductors could revolutionize electronics – an electrical engineer explains the materials’ potential

Superconductors make highly efficient electronics, but the ultralow temperatures and ultrahigh pressures make them costly and difficult to use. Room-temperature superconductors promise to change that.
A new rule is intended to let patients comparison shop for hospital services. Black Lollipop/iStock via Getty Images

How to make comparing prices of an MRI or colonoscopy as easy as shopping for a new laptop

Health researchers hope a new regulation requiring hospitals to post their prices will tame soaring health care costs, but compliance and standardization are hurdles.
New England Patriots wide receiver Julian Edelman (11) and Los Angeles Chargers linebacker Uchenna Nwosu (42) collide during an NFL divisional playoff football game, Jan. 13, 2019, in Foxborough, Mass. (AP Photo/Charles Krupa)

Super Bowl: Why you don’t need an MRI to detect concussion

A standard clinical MRI is not sensitive to the distributed and microscopic injuries in a concussed brain. But new discoveries are in the pipeline.

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