Stress can be a cause of illness.Logical formLearned from9 sentences. A person may understand stress.Logical formLearned from9 sentences. Stress can be on a basis.Logical formLearned from9 sentences. Reduction can be in stress.Logical formLearned from9 sentences. Levels can be constituted-of-or-filled-with (family stress).Logical formLearned from9 sentences. An oxidative stress can be elevated.Logical formLearned from9 sentences. A flood can be constituted-of-or-filled-with (stress hormones).Logical formLearned from9 sentences. Stress can be in animals.Logical formLearned from9 sentences. Students may cope with stress.Logical formLearned from9 sentences. Stress can be on a spine.Logical formLearned from9 sentences. A female may lay stress.Logical formLearned from9 sentences. Periods can be constituted-of-or-filled-with (drought stress).Logical formLearned from9 sentences. Values can be constituted-of-or-filled-with stress.Logical formLearned from9 sentences. A female can be on (stress leave).Logical formLearned from9 sentences. Stress can be in families.Logical formLearned from9 sentences.