Abstract: Frequency division multiple access (FDMA) waveform possesses good orthogonality and thus is used in multiple-input multiple-output (MIMO) radar. Nevertheless, the transmitting steering ...
Vitamin D supplements seem to be all the rage for health and longevity these days. How do we know if we really need them? We asked our chief medical officer, Sohaib Imitiaz, MD, to break it down. Q: ...
When the days shorten, and the sun sinks low in the sky, that familiar winter slump sets in. There’s a fundamental reason for this seasonal fatigue: low levels of vitamin D – the “sunshine vitamin”.
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