Family caregivers of people with dementia, often called the "invisible second patients," play a critical role in the quality of life of their care recipients. However, caregiving is generally associated with high levels of burden, psychological distress, social isolation, physical health issues, and financial strain. Caregivers are often middle-aged or older females, and the role is often driven by love, duty, or cultural expectations. Caregivers may experience both positive and negative effects, with those having more positive motivations generally reporting less burden and better health outcomes. Caregiving involves both hands-on care and management of the care recipient's needs. Caregivers face significant challenges, including balancing caregiving with other responsibilities, leading to increased stress, depression, and physical health problems. Caregivers in developing countries often live in larger households, which may reduce individual strain but does not eliminate it. Caregivers are at higher risk of psychological and physical morbidity, including depression, anxiety, and chronic health conditions. Caregivers also face financial strain, with high costs associated with dementia care, including medical expenses, lost income, and the need for institutional care. The economic burden is particularly significant in developing countries, where caregivers often lack access to formal support and face financial hardship. Interventions such as psychosocial support, counseling, and training programs have been shown to reduce caregiver burden, improve mental health, and delay institutionalization. Effective interventions are often tailored to individual needs, involve caregivers and care recipients, and are long-term. Technology-based interventions, such as online support groups and telehealth services, also offer potential benefits. Special groups of caregivers, including those from ethnic minorities, homosexual partners, and younger caregivers, face unique challenges and may require targeted support. Alzheimer's Associations and other organizations provide essential resources, including information, support groups, and training programs, to help caregivers manage the demands of their role. Overall, family caregivers are essential to the care of people with dementia, but they require support and resources to manage the challenges they face. Comprehensive care plans that involve healthcare professionals, caregivers, and families are necessary to improve the quality of life for both caregivers and care recipients.Family caregivers of people with dementia, often called the "invisible second patients," play a critical role in the quality of life of their care recipients. However, caregiving is generally associated with high levels of burden, psychological distress, social isolation, physical health issues, and financial strain. Caregivers are often middle-aged or older females, and the role is often driven by love, duty, or cultural expectations. Caregivers may experience both positive and negative effects, with those having more positive motivations generally reporting less burden and better health outcomes. Caregiving involves both hands-on care and management of the care recipient's needs. Caregivers face significant challenges, including balancing caregiving with other responsibilities, leading to increased stress, depression, and physical health problems. Caregivers in developing countries often live in larger households, which may reduce individual strain but does not eliminate it. Caregivers are at higher risk of psychological and physical morbidity, including depression, anxiety, and chronic health conditions. Caregivers also face financial strain, with high costs associated with dementia care, including medical expenses, lost income, and the need for institutional care. The economic burden is particularly significant in developing countries, where caregivers often lack access to formal support and face financial hardship. Interventions such as psychosocial support, counseling, and training programs have been shown to reduce caregiver burden, improve mental health, and delay institutionalization. Effective interventions are often tailored to individual needs, involve caregivers and care recipients, and are long-term. Technology-based interventions, such as online support groups and telehealth services, also offer potential benefits. Special groups of caregivers, including those from ethnic minorities, homosexual partners, and younger caregivers, face unique challenges and may require targeted support. Alzheimer's Associations and other organizations provide essential resources, including information, support groups, and training programs, to help caregivers manage the demands of their role. Overall, family caregivers are essential to the care of people with dementia, but they require support and resources to manage the challenges they face. Comprehensive care plans that involve healthcare professionals, caregivers, and families are necessary to improve the quality of life for both caregivers and care recipients.