We've all shivered through the odd winter day but feeling cold is not a serious condition in itself. However, it can be a sign of ill health, particularly if the feeling persists for several days.

SAALBACH-HINTERGLEMM, Austria — Lindsey Vonn is feeling sick with ‘’a cold or the flu'' on the eve of her first event at the world championships in her return to ski racing at the age of 40.

SAALBACH-HINTERGLEMM, Austria — Lindsey Vonn is feeling sick with "a cold or the flu" on the eve of her first event at the world championships in her return to ski racing at the age of 40.

SAALBACH-HINTERGLEMM, Austria (AP) — Lindsey Vonn is feeling sick with “a cold or the flu” on the eve of her first event at the world championships in her return to ski racing at the age of 40. The ...