Stress is very subjective.  vulnerability of an individual (personality, coping abilities, support system,genetic, stressors)if it's more he experiences more effects of stress ,even mild stress becomes distressing to them. Stress leads to increased chemicals which further increases inflammation in your body. It's vicious cycle stress decreases immunity which further increases stress.

Hi , thank you for sharing your query here Yes , stress effects on both mental health as well as physical health .. it's as harmful as some chronic addiction.. so it causes Anxiety as well as depression due to imbalance of few hormones .. so how to overcome from it ..you need to develop appropriate coping skills For details evaluation n assessment you can cousult Psychiatrist here ..