1 Independent Variable: It implies causality: the independent variable affects the dependent variable. 2  Used predominantly in ANOVA, but often in regression as well. 3  It can be either continuous or categorical. 4  Predictor Variable: It does not imply causality.
Collagen restoring herbs include a tree bark material known as eucommia and an herbal plant extract known as horsetail. Eucommia herbs come in topical and oral forms that are used as a long-term remedies for injuries involving the joints, according to the Yoga Journal, an online Yoga resource site.ollagen Strengtheners. The collagen materials contained in the bones and cartilage are made up of fiber-like strands that form a network. Herbs that strengthen the body's existing collagen materials work by increasing the number of strands that make-up collagen tissue.
Collagen occurs throughout the body, but especially in the skin, bones, and connective tissues. Some types of collagen fibrils, gram-for-gram, are stronger than steel. Collagen production declines with age and exposure to factors such as smoking and UV light. Collagen can be used in collagen dressings, to attract new skin cells to wound sites. Cosmetic lotions that claim to increase collagen levels are unlikely to do so, as collagen molecules are too large to be absorbed through the skin.