Emphysema
Smoking in an example that can cause shortness of breath and result in respiratory or heart failure by causes the lungs to produce chemical that damage the walls of the alveoli. This disease is call Emphysema.
Chronic Obstructive Pulmonary Disease (COPD)
Is when a person does not get enough oxygen to breath and has to increase their rate of breathing in order to cope and it makes the person look bloated or appear bullish.
Nervous System
Nerve cells communicate with muscle to function properly. In older age neurotransmitters which are released by the nerve cell get weaker to communicate with muscle and functions less effectively.
Loss of vision
Cataracts and glaucoma can affect eyesight in older people for the age of 60 upwards. When we get old our lenses changes and become hard and cloudy and it gets stop by cataracts from changing shape or transmit light.
Loss of hearing
Older people find it very hard to hear because of the nerve cell in the inner ear may decrease and from the wax in the outer ear that prevent them to hear.
Cognitive Changes
Older people have short memory while they get old, their nerve cells in the brain decreases and reduce the person nerve signal. Having a loss nerve cells in the brain can affect older people by taking longer to respond and slower their strength to do things
Musculos Skeletal
Older people can easily get arthritis as age can shrinkage the skeletal muscle which damage the joints within the body as the cartilage that help to move our bones become thinner and elastic. Having arthritis can bring pain and stiffness to body movements.
The role of sex hormones
Osteoporosis is a major problem to bones when they get weaker and thinner and fractured easily. Women often experience a decrease in their hormones estrogen and are more at risk to get Osteoporosis because of their bone strength which is influenced by sex hormones.
Skin
As we get older, our skin appearances changes and wrinkles take place. This is because we loose those fats that is behind our skin
Dementia
Is a loss of brain function. It is not a single disease. Instead, dementia refers to a group of illnesses that involve memory, behavior, learning, and communicating problems. The problems are progressive, which means they slowly get worse.
Motor Neuron Disease
Most people develop this disease over the age of 40. it is a group disorders in which motor nerve cells (neurons) in the spinal cord and brain stem deteriorate and die. It first affects the arms or legs then shoulders and other muscles may be affected. Weakness and wasting in the muscle of the face and touch, taste, sight, smell or hearing.
Psychological changes
Older people begin to believe the stereotype that they are losing or they will lose. This can lead them to self-esteem and withdraw from others. Older people tends to avoid learning things that are not meaningful to them and tend to process information at a slower pace as it takes longer to figure out what is going on and what to do about it.