What percentage of young adults are low in vitamin d?

70% A whopping 70 percent of american kids aren't getting enough vitamin d, and such youngsters tend to have higher blood pressure and lower levels of good cholesterol than their peers, according to two new studies published august 2009 in the journal pediatrics. Low vitamin d levels also may increase a child's risk of developing heart disease later in life, experts say.
70% A whopping 70 percent of american kids aren't getting enough vitamin d, and such youngsters tend to have higher blood pressure and lower levels of good cholesterol than their peers, according to two new studies published in the august 2009 journal pediatrics. Low vitamin d levels also may increase a child's risk of developing heart disease later in life, experts say.