Stringhalt management of Australian stringhalt. Two weeks after treatment with phenytoin, significant improvement was observed in the gait abnormality of horses affected with Australian stringhalt at the trot and canter, but no significant improvement was observed at the walk or while turning. The most common plant species that have been found and identified in pastures where affected horses were located include: flatweed ("Hypochaeris radicata"), sheep's sorrel ("Rumex acetosella") and couch grass ("Elymus repens"). The type of nerve damage sustained in horses with Australian stringhalt suggests a mould toxin (mycotoxin) or a fungal 'poison' found in the soils may be a cause
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