Complex interventions such as preventive home visits and community-based care after hospital discharge can help improve physical function and maintain independent living in older people, according to a Bristol University study of more than 90,000 older people published in this week?s edition of the Lancet. – Complex interventions such as preventive home visits and community-based care after hospital discharge can help improve physical function and maintain independent living in older people, according to a Bristol University study of more than 90,000 older people published in this week’s edition of the Lancet. The authors also advise against withdrawal of existing well-developed services for older people.