/**
@fn obj::last_eat
@section Use
<table>
	<tr>
		<th>Type(s)</th>
		<th>Description</th>
	</tr>	<tr>
		<td>
@ref page_type_158
		</td><td>    Every time the disease "moves", the player's food is
    reduced by the value of &lt;food depletion&gt;.
    For negative values, a %-based amount is taken.</td>
	</tr>

*/