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'I'm 101 and travelling the world – here are my seven rules for a long life'
Californian nutritionist Dr John Scharffenberg works as a professor by day, runs a successful YouTube channel by night and ...
The Mirror US on MSN22h
101-year-old nutritionist shares his 7 rules for a long and healthy life
Dr John Scharffenberg works as a professor by day, runs his successful YouTube channel by night and flies the world in ...