These symptoms may vary depending on the seriousness of the illness and type of disorder, but are overall exhausting to the patient. Symptoms to any type of genetic disease may develop with age. Mentally, patients may feel like a nuisance to their families, and worry about having children. Sometimes, victims of hereditary disease decide not to have children because they do not want to risk passing down the disorder. Also, individuals sometimes fear what their spouses may think when they talk to them about their disease, even if they are simply just a carrier. This causes the individual to be more secretive, and reserved. Experimental research shows that patients with serious hereditary diseases ask the doctor and family members to make any major decisions for them. For hereditary diseases, there is a lack of expertise on any specific illness because of the several thousand that exist, and low amount of research found on each type. Patients force themselves to become knowledgeable of their own disease through research, and reaching out to numerous doctors that can provide that individual with information of his or her own disease state. Overall, patients feel exhausted, worried, helpless, hopeless, and will do just about anything to be cured. Symptoms can vary considerably depending on the particular disease