Table 1. Subjects characteristics. Data are means (± SE).

	Folic Acid Group (n = 8)	Placebo Group (n = 5)
Age (yr)	25.0 (1.4)	22.4 (.9)
Height (m)	1.70 (1.00)	1.70 (.09)
Weight (kg)	58.1 (3.8)	67.6 (5.8) **
Body Mass Index (kg·m-2)	20.7 (.6)	24.4 (1.2) *
Age of Menarche (yr)	13.9 (3.2)	13.0 (.8)
Miles run·week-1	30.3 (3.2)	29.5 (4.1)

* and ** denote p < 0.05 and 0.01 respectivelyaccording to Exact Wilcoxon Rank-Sum Test.