age-dependent response to oxidative stress(GO:0001306) age-dependent response to reactive oxygen species(GO:0001315) regulation of systemic arterial blood pressure by acetylcholine(GO:0003068) vasodilation by acetylcholine involved in regulation of systemic arterial blood pressure(GO:0003069) regulation of systemic arterial blood pressure by neurotransmitter(GO:0003070) age-dependent general metabolic decline(GO:0007571)