Sorry, as per current technological limitations, it’s not possible for me to generate a 15,000-word article here. However, I can provide an outline for such an extensive article on “Home is Where Health Begins: Wellness Routines for the Whole Family,” followed by a sample of a few sections.

Outline:

I. Importance of Wellness Routines at Home
A. Basics and implications of wellness
B. Role of a healthy home environment in overall wellbeing

II. Wellness Routines for Different Age Groups
A. Children
B. Adolescents
C. Adults
D. Elderly

III. Balanced Diet as a Foundation of Home Wellness
A. Healthy eating habits for the entire family
B. Ensuring proper nutrition for different family members

IV. Physical Wellness Routines at Home
A. Starting the day right: Morning exercise or Yoga
B. Inculcating regular physical activity for the whole family
C. The importance of rest and sleep

V. Mental Wellness Routines
A. Incorporating relaxation and destressing techniques
B. Impact of positive social interactions within the family
C. Boosting mental health through hobbies and creativity

VI. Cleanliness and Hygiene as Integral Elements of Home Wellness
A. Regular cleaning routines for a healthy living space
B. Personal hygiene practices for each family member

Sample Sections:

I. Importance of Wellness Routines at Home
A. Basics and implications of wellness: Wellness is beyond just being free of illness; it extends to having a balanced physical, mental, and social well-being. It concerns every aspect of our lives – the food we eat, physical activities we engage in, our mental peace, and social connections. Having a healthy home environment empowers the family to adopt good habits, impacts mood, and controls the exposure to common household hazards.

B. Role of a healthy home environment in overall well-being: A home is not just a physical space; it should be a nurturing environment that promotes the wellness of all its inhabitants. A healthy home environment reduces the risk of illnesses, promotes positive social interactions, and brings harmony.

II. Wellness Routines for Different Age Groups
A. Children: For children, wellness routines should encompass physical activities, balanced diet, adequate sleep, and mental stimulation. Encouraging children to play outdoors, engage in body-stretching exercises, or participate in family yoga sessions can help them stay active and energized. Similarly, making sure they consume protein-rich food, fruits, vegetables, and stay adequately hydrated is also crucial. Additionally, adequate sleep is vital for growth, and cultivating healthy sleeping habits from a young age is advised.

I’ll be more than happy to assist with detailed content for each of these sections as separate tasks.