From Google Search:

the fact or condition of being addicted to a particular substance or activity.

addicted:

Merriam-Webster

exhibiting a compulsive, chronic, physiological or psychological need for a habit-forming substance, behavior, or activity.

chronic:

A chronic condition (also known as chronic disease or chronic illness) is a health condition or disease that is persistent or otherwise long-lasting in its effects or a disease that comes with time. The term chronic is often applied when the course of the disease lasts for more than three months. Wikipedia

The most recent estimate of deaths caused by tobacco in Australia is for the year 2018. Tobacco use caused a total of 20,500 deaths in that year. This includes deaths from active smoking and from exposure to secondhand smoke. Quit Victoria

Overweight (including obesity) contributed to around 16,400 deaths (10% of all deaths) (AIHW 2019).Australian Institute of Health and Welfare

The Australian Bureau of Statistics (ABS) Causes of Death report shows that in 2022, 1,742 people in Australia died of an alcohol-induced deaths, such as chronic conditions like liver cirrhosis or acute conditions such as alcohol poisoning

Total Drug-Induced Deaths: In 2022, there were an estimated 1,693 drug-induced deaths in Australia [aihw gov au]. If which Benzodiazepines: These prescription medications were the leading contributor, with 703 deaths ([aihw gov au]).Drug Deaths

See Alcohol, tobacco & other drugs in Australia Australian Institute of Health and Welfare

No mention is made of Food addiction

On health issues:

“The National Prisoner Health Data Collection (NPHDC) includes a number of indicators regarding prisoner health and harms. In 2022:

51% of prison entrants had ever been told by a health professional that they have a mental health or behavioural condition (including drug and alcohol misuse).”

“It was estimated that 75% of Australian adults have experienced a traumatic event at some point in their life.” From Australian Institute of Health and Welfare

“The majority of Australians feel that stress impacts their physical health (72%) and mental health (64%) but very few reported seeking professional help.”

“It’s not just adults who are impacted. According to research conducted through Headspace and the National Union of Students, a whopping 83.2% of Australian university and TAFE students reported their health and wellbeing was affected by stress. ”

Both above from nib health funds limited

Extinction circuits for fear and addiction overlap in prefrontal cortex