Stringhalt Stringhalt Stringhalt is a sudden flexion of one or both hind legs in the horse, most easily seen while the horse is walking or trotting. It is most evident when the horse is backing up slowly, turning on the affected leg, or suddenly frightened. It can involve one or both hind legs of the horse. It is a spasmodic contraction of the lateral extensor tendons of the hind legs. There are four forms of stringhalt: Treatment varies. Australian stringhalt was described and differentiated from classical stringhalt in 1884. Australian stringhalt is differentiated from classical stringhalt by the severity, occurrence of
Seasonal affective disorder treated in the same way. It has also been suggested that SAD affects risky behavior, and those affected by SAD are more likely to opt for conservative investments, whether financially or scientifically. Seasonal affective disorder Seasonal affective disorder (SAD) is a mood disorder subset in which people who have normal mental health throughout most of the year exhibit depressive symptoms at the same time each year, most commonly in the winter. Common symptoms include sleeping too much, having little to no energy, and overeating. The condition in the summer can include heightened anxiety. In the "Diagnostic and Statistical Manual of