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Cold-water immersion may offer health benefits — and also presents risks

Dr. Mark Harper recalls his first cold-water swim in the south of England 20 years ago. It was August, but the initial jolt from the plunge took his breath away. The shock to his system lasted a minute or two until he was "recombobulated and able to think about something other than the cold," Harper says. A surprise sensation soon replaced his discomfort. "I remember getting out of the water the first time and feeling so good," Harper, an anesthesiologist who has since researched the potential risks and rewards of taking a nippy dunk. "I wasn't expecting that." Claims about the ...

Talk With the Doc: October is Breast Cancer Awareness Month

October is National Breast Cancer Awareness month. This Breast Cancer Awareness Month is observed to raise awareness about this disease and to promote early detection. It is extremely important that every adult woman be informed of the risk for breast cancer and to follow the recommended ...

Silicon Valley leader sees another wild ride with AI

SAN FRANCISCO — Former Cisco Systems CEO John Chambers learned all about technology's volatile highs and lows as a veteran of the internet's early boom days during the late 1990s and the ensuing meltdown that followed the mania. And now he is seeing potential signs of the cycle repeating with another transformative technology as a whirlwind of investments and excitement about artificial intelligence has propelled the stock market to new highs. Chambers took a similarly meteoric ride in his early days running Cisco, which had a market value of about $15 billion in 1995, when ...