Diseases, Conditions, Syndromes

Using wearable activity trackers to distinguish COVID-19 from flu

By analyzing Fitbit data and self-reported symptoms, researchers from Evidation Health and collaborators analyzed trends in heart rate, step count, and symptom duration between patients with flu and those with COVID-19. While ...

Radiology & Imaging

MRI images: More efficient, quieter and faster

Magnetic resonance imaging has become an indispensable tool for medical diagnostics. Using metamaterials—printed circuit boards whose properties can be systematically adjusted—can increase measurement sensitivity by a ...

Neuroscience

Brain waves guide us in spotlighting surprises

If you open your office door one morning and there is a new package waiting on your desk, that's what you will notice most in the otherwise unchanged room. A new study by MIT and Boston University neuroscientists finds that ...

Surgery

Ultrasound therapy for pain following carpal tunnel surgery

It's not uncommon for patients to experience soreness and hypersensitivity in their hands after having carpal tunnel surgery. Dr. Janelle Van Otterloo, a Mayo Clinic physical therapist, says it's called pillar pain.

Neuroscience

Scientists discover a new connection between the eyes and touch

Tiny eye movements can be used as an index of humans' ability to anticipate relevant information in the environment independent of the information's sensory modality, a team of scientists has found. The work reveals a connection ...

Health

More young Americans are going without sex

Sex, and lots of it, has long been the primary preoccupation of young adults, but more of them are now going months and years without any intimate encounters.

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Frequency

Frequency is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency. The period is the duration of one cycle in a repeating event, so the period is the reciprocal of the frequency. For example, if a newborn baby's heart beats at a frequency of 120 times a minute, its period (the interval between beats) is half a second.

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